EP1206517A1 - Farbschonende waschverfahren unter verwendung von kationischen substanzen - Google Patents
Farbschonende waschverfahren unter verwendung von kationischen substanzenInfo
- Publication number
- EP1206517A1 EP1206517A1 EP00957788A EP00957788A EP1206517A1 EP 1206517 A1 EP1206517 A1 EP 1206517A1 EP 00957788 A EP00957788 A EP 00957788A EP 00957788 A EP00957788 A EP 00957788A EP 1206517 A1 EP1206517 A1 EP 1206517A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- group
- alkyl
- substituted
- bleach system
- bleach
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 176
- 125000002091 cationic group Chemical group 0.000 title claims abstract description 101
- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000009472 formulation Methods 0.000 title description 17
- 239000007844 bleaching agent Substances 0.000 claims abstract description 238
- 239000003054 catalyst Substances 0.000 claims abstract description 189
- 150000001875 compounds Chemical class 0.000 claims abstract description 154
- 239000004744 fabric Substances 0.000 claims abstract description 68
- 238000004900 laundering Methods 0.000 claims abstract description 22
- 125000000217 alkyl group Chemical group 0.000 claims description 87
- -1 oxaziridinium cations Chemical class 0.000 claims description 85
- 102000004190 Enzymes Human genes 0.000 claims description 82
- 108090000790 Enzymes Proteins 0.000 claims description 82
- 125000003118 aryl group Chemical group 0.000 claims description 49
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- 125000000623 heterocyclic group Chemical group 0.000 claims description 44
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- 238000004140 cleaning Methods 0.000 claims description 40
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 38
- 150000003839 salts Chemical class 0.000 claims description 38
- 239000002253 acid Substances 0.000 claims description 36
- 229910052739 hydrogen Inorganic materials 0.000 claims description 34
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 33
- 125000003545 alkoxy group Chemical group 0.000 claims description 32
- 125000002877 alkyl aryl group Chemical group 0.000 claims description 32
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- 125000004093 cyano group Chemical group *C#N 0.000 claims description 28
- 125000000468 ketone group Chemical group 0.000 claims description 28
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 28
- 150000004965 peroxy acids Chemical class 0.000 claims description 28
- 229920000831 ionic polymer Polymers 0.000 claims description 26
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 claims description 24
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- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 claims description 20
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 238000005406 washing Methods 0.000 claims description 13
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical class [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 claims description 12
- 239000002738 chelating agent Substances 0.000 claims description 11
- 125000001424 substituent group Chemical group 0.000 claims description 11
- 125000002947 alkylene group Chemical group 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 7
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 6
- 125000005342 perphosphate group Chemical group 0.000 claims description 5
- 125000002837 carbocyclic group Chemical group 0.000 claims description 4
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- 125000001475 halogen functional group Chemical group 0.000 claims 20
- 238000004061 bleaching Methods 0.000 abstract description 43
- SJGALSBBFTYSBA-UHFFFAOYSA-N oxaziridine Chemical group C1NO1 SJGALSBBFTYSBA-UHFFFAOYSA-N 0.000 abstract description 6
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- 108091028043 Nucleic acid sequence Proteins 0.000 description 15
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 15
- 239000004615 ingredient Substances 0.000 description 15
- 239000002773 nucleotide Substances 0.000 description 15
- 125000003729 nucleotide group Chemical group 0.000 description 15
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 14
- 235000014113 dietary fatty acids Nutrition 0.000 description 14
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- 150000004665 fatty acids Chemical class 0.000 description 14
- DCAYPVUWAIABOU-UHFFFAOYSA-N hexadecane Chemical compound CCCCCCCCCCCCCCCC DCAYPVUWAIABOU-UHFFFAOYSA-N 0.000 description 14
- 230000001965 increasing effect Effects 0.000 description 14
- 241000894007 species Species 0.000 description 14
- 238000006467 substitution reaction Methods 0.000 description 14
- 238000007792 addition Methods 0.000 description 13
- 229910000323 aluminium silicate Inorganic materials 0.000 description 13
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- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 12
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- 235000019418 amylase Nutrition 0.000 description 12
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- 125000002768 hydroxyalkyl group Chemical group 0.000 description 11
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- 238000004851 dishwashing Methods 0.000 description 10
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- 239000002736 nonionic surfactant Substances 0.000 description 10
- 229920005646 polycarboxylate Polymers 0.000 description 10
- 239000002689 soil Substances 0.000 description 10
- 239000000758 substrate Substances 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 9
- 150000001412 amines Chemical class 0.000 description 9
- 229910052723 transition metal Inorganic materials 0.000 description 9
- 241000194110 Bacillus sp. (in: Bacteria) Species 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 8
- 229910017052 cobalt Inorganic materials 0.000 description 8
- 239000010941 cobalt Substances 0.000 description 8
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- 125000005843 halogen group Chemical group 0.000 description 8
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- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 7
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 7
- BGRWYDHXPHLNKA-UHFFFAOYSA-N Tetraacetylethylenediamine Chemical compound CC(=O)N(C(C)=O)CCN(C(C)=O)C(C)=O BGRWYDHXPHLNKA-UHFFFAOYSA-N 0.000 description 7
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- LUEWUZLMQUOBSB-GFVSVBBRSA-N mannan Chemical class O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@@H](O[C@@H]2[C@H](O[C@@H](O[C@H]3[C@H](O[C@@H](O)[C@@H](O)[C@H]3O)CO)[C@@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O LUEWUZLMQUOBSB-GFVSVBBRSA-N 0.000 description 7
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 5
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- NNCAWEWCFVZOGF-UHFFFAOYSA-N mepiquat Chemical compound C[N+]1(C)CCCCC1 NNCAWEWCFVZOGF-UHFFFAOYSA-N 0.000 description 1
- 108010003855 mesentericopeptidase Proteins 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000005341 metaphosphate group Chemical group 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- QUSNBJAOOMFDIB-UHFFFAOYSA-N monoethyl amine Natural products CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 1
- 229940051866 mouthwash Drugs 0.000 description 1
- QEALYLRSRQDCRA-UHFFFAOYSA-N myristamide Chemical compound CCCCCCCCCCCCCC(N)=O QEALYLRSRQDCRA-UHFFFAOYSA-N 0.000 description 1
- ONLRKTIYOMZEJM-UHFFFAOYSA-N n-methylmethanamine oxide Chemical compound C[NH+](C)[O-] ONLRKTIYOMZEJM-UHFFFAOYSA-N 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- IQZPDFORWZTSKT-UHFFFAOYSA-N nitrosulphonic acid Chemical compound OS(=O)(=O)[N+]([O-])=O IQZPDFORWZTSKT-UHFFFAOYSA-N 0.000 description 1
- FJDUDHYHRVPMJZ-UHFFFAOYSA-N nonan-1-amine Chemical compound CCCCCCCCCN FJDUDHYHRVPMJZ-UHFFFAOYSA-N 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 1
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 description 1
- 229920001542 oligosaccharide Polymers 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000004967 organic peroxy acids Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical class [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 description 1
- WXHIJDCHNDBCNY-UHFFFAOYSA-N palladium dihydride Chemical compound [PdH2] WXHIJDCHNDBCNY-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000000137 peptide hydrolase inhibitor Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229940068041 phytic acid Drugs 0.000 description 1
- 239000000467 phytic acid Substances 0.000 description 1
- 235000002949 phytic acid Nutrition 0.000 description 1
- 229920002006 poly(N-vinylimidazole) polymer Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001444 polymaleic acid Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003918 potentiometric titration Methods 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- KCXFHTAICRTXLI-UHFFFAOYSA-N propane-1-sulfonic acid Chemical compound CCCS(O)(=O)=O KCXFHTAICRTXLI-UHFFFAOYSA-N 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- AJTVWPGZWVJMEA-UHFFFAOYSA-N ruthenium tungsten Chemical compound [Ru].[Ru].[W].[W].[W] AJTVWPGZWVJMEA-UHFFFAOYSA-N 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 150000003333 secondary alcohols Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 235000019351 sodium silicates Nutrition 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- MAZNCWGRSPCNGO-UHFFFAOYSA-M sodium;4-[6-(nonanoylamino)hexanoyloxy]benzenesulfonate Chemical compound [Na+].CCCCCCCCC(=O)NCCCCCC(=O)OC1=CC=C(S([O-])(=O)=O)C=C1 MAZNCWGRSPCNGO-UHFFFAOYSA-M 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 229940037312 stearamide Drugs 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 125000005156 substituted alkylene group Chemical group 0.000 description 1
- 125000005650 substituted phenylene group Chemical group 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 229940117986 sulfobetaine Drugs 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 108010038851 tannase Proteins 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 150000004685 tetrahydrates Chemical class 0.000 description 1
- MSLRPWGRFCKNIZ-UHFFFAOYSA-J tetrasodium;hydrogen peroxide;dicarbonate Chemical compound [Na+].[Na+].[Na+].[Na+].OO.OO.OO.[O-]C([O-])=O.[O-]C([O-])=O MSLRPWGRFCKNIZ-UHFFFAOYSA-J 0.000 description 1
- 125000000341 threoninyl group Chemical group [H]OC([H])(C([H])([H])[H])C([H])(N([H])[H])C(*)=O 0.000 description 1
- 210000001541 thymus gland Anatomy 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- 125000005208 trialkylammonium group Chemical group 0.000 description 1
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- OUYCCCASQSFEME-UHFFFAOYSA-N tyrosine Natural products OC(=O)C(N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-UHFFFAOYSA-N 0.000 description 1
- 239000004474 valine Substances 0.000 description 1
- 125000002987 valine group Chemical group [H]N([H])C([H])(C(*)=O)C([H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/39—Organic or inorganic per-compounds
- C11D3/3902—Organic or inorganic per-compounds combined with specific additives
- C11D3/3905—Bleach activators or bleach catalysts
- C11D3/3907—Organic compounds
- C11D3/3917—Nitrogen-containing compounds
- C11D3/3927—Quarternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/12—Soft surfaces, e.g. textile
Definitions
- the present invention relates to cationic organic catalyst compound bleach systems and methods for using such bleach systems to provide increased color safety during laundering of fabrics, especially colored fabrics. More particularly, this invention relates to bleach systems comprising cationic, quaternary imine bleach boosting compounds, cationic, quaternary oxaziridinium bleaching species and mixtures thereof, and methods employing such bleach systems in the laundering of fabrics, especially colored fabrics.
- Oxygen bleaching agents have become increasingly popular in recent years in household and personal care products to facilitate stain and soil removal. Bleaches are particularly desirable for their stain-removing, dingy fabric cleanup, whitening and sanitization properties. Oxygen bleaching agents have found particular acceptance in laundry products such as detergents, in automatic dishwashing products and in hard surface cleansers. Oxygen bleaching agents, however, are somewhat limited in their effectiveness. Some frequently encountered disadvantages include color damage on fabrics and damage to laundry appliances, specifically rubber hoses these appliances may contain. In addition, oxygen bleaching agents tend to be extremely temperature rate dependent. Thus, the colder the solution in which they are employed, the less effective the bleaching action. Temperatures in excess of 60 °C are typically required for effectiveness of an oxygen bleaching agent in solution.
- bleach activators typically perhydrolyzable acyl compounds having a leaving group such as oxybenzenesulfonate, react with the active oxygen group, typically hydrogen peroxide or its anion, to form a more effective peroxyacid oxidant. It is the peroxyacid compound which then oxidizes the stained or soiled substrate material.
- bleach activators are also somewhat temperature dependent. Bleach activators are more effective at warm water temperatures of from about 40 °C to about 60 °C. In water temperatures of less than about 40 °C, the peroxyacid compound loses some of its bleaching effectiveness.
- the present invention fulfills the need discussed above.
- the present invention provides cationic organic catalyst compound bleach systems and methods for employing such cationic organic catalyst compound bleach systems in the laundering of colored fabric such that the bleach systems that provide acceptable color safety on fabric dyes.
- Such cationic organic catalyst compounds and bleach systems work best in lower wash temperatures less than 80 °C.
- this invention relates to cationic organic catalyst compounds such as cationic, quaternary imine bleach boosting compounds, cationic, quaternary oxaziridinium bleaching species, bleach systems comprising such cationic organic catalyst compounds and laundry methods employing such bleach systems.
- cationic organic catalyst compounds such as cationic, quaternary imine bleach boosting compounds, cationic, quaternary oxaziridinium bleaching species, bleach systems comprising such cationic organic catalyst compounds and laundry methods employing such bleach systems.
- Nonlimiting examples of the benefits provided by the cationic organic catalyst compounds and bleach systems employing same include superior bleaching effectiveness even in lower temperature water, and improved color safety.
- a cationic organic catalyst bleach system which demonstrates effective bleaching in lower water temperature and provides a superior color-safety profile compared to the conventional organic catalyst bleach systems is provided.
- a cationic organic catalyst bleach system comprising one or more cationic organic catalyst compounds, as described hereinafter, in conjunction with or without a peroxygen source is provided.
- a cationic organic catalyst bleach system comprising one or more cationic organic catalyst compounds, as described hereinafter, in conjunction with a peracid is provided.
- a method for laundering a fabric, especially a colored fabric, in need of laundering comprising contacting the fabric with a laundry solution comprising one or more cationic organic catalyst compound bleach systems described herein is provided.
- a bleach system ofthe present invention as made by the process comprising: a) providing a wash solution; and b) adding to said wash solution a bleach composition comprising an amount of cationic organic catalyst compound of the present invention such that the resulting concentration of the cationic organic catalyst compound in said wash solution is from about 0.001 ppm to about 5 ppm, is provided.
- a bleach composition comprising an amount of cationic organic catalyst compound of the present invention such that the resulting concentration of the cationic organic catalyst compound in said wash solution is from about 0.001 ppm to about 5 ppm
- the present invention discloses highly useful cationic organic catalyst compounds, bleach systems comprising such cationic organic catalyst compounds, and methods for laundering fabrics, especially colored fabrics, employing such bleach systems.
- the cationic organic catalyst compounds of the present invention, and bleach systems comprising such cationic organic catalyst compounds provide increased bleaching effectiveness in lower temperature wash applications while providing improved color safety, resulting in increased bleaching effectiveness and color safety as compared to conventional cationic organic catalyst compounds and cationic organic catalyst compound bleach systems.
- the cationic organic catalyst compound bleach systems of the present invention act in conjunction with or without, preferably with, conventional peroxygen bleaching sources to provide the above-mentioned increased bleaching effectiveness and superior fabric color safety.
- Peroxygen source as used herein means materials that generate peroxygen compounds, which can include the peroxygen compounds themselves. Examples include, but are not limited to, bleach activators, peracids, percarbonate, perborate, hydrogen peroxide, bleach boosting compounds, and or bleaching species (e.g., oxaziridiniums).
- Peroxygen compounds as used herein includes peracids and peroxides (e.g., hydrogen peroxide, alkyl hydroperoxides, etc.
- Peracid as used herein means a peroxyacid such as peroxycarboxylic acid and/or peroxymonosulfuric acid (tradname OXONE) and their salts.
- Cionic Organic Catalyst Compound as used herein means cationic organic catalyst compounds and/or polyions as described hereinafter.
- the cationic organic catalyst compounds and bleach systems comprising such cationic organic catalyst compounds of the present invention bleach system preferably are employed in methods for laundering fabrics, especially colored fabrics, in need of laundering.
- Such methods typically encompass bleaching a stained substrate, preferably a colored fabric, in an aqueous medium with a peroxygen source and with a cationic organic catalyst compound whose structure is as defined hereinafter wherein the aqueous medium contains active oxygen from the peroxygen compound from about 0.05 to about 250 ppm per liter of medium, and the cationic organic catalyst compound from 0.001 ppm to about 1.4 ppm, preferably from about 0.01 ppm to about 1.4 ppm, more preferably from about 0.1 ppm to about 1.0 ppm, even more preferbly from about 0.2 ppm to about 0.8 ppm, and most preferably from about 0.3 ppm to about 0.7 ppm.
- the molar ratio of said peroxygen compound to cationic organic catalyst compound is preferably greater than 1:1, more preferably the molar ratio ranges from about 30,000:1 to about 10:1, even more preferably from about 10,000:1 to about 50:1, yet even more preferably from about 5,000:1 to about 100:1, still even more preferably from about 3,500: 1 to about 150:1.
- the molar ratio of peroxygen compound to cationic organic catalyst compound does influence the color safety properties of a bleach system.
- the ppm concentration of the cationic organic catalyst compound in the bleach system is the primary factor in establishing the bleach systems' color safety properties.
- a product can deliver, for example, in an aqueous medium a 1 ppm concentration of a cationic organic catalyst compound with a molecular weight of 300, and a 66 ppm concentration of NOBS (35 ppm pernonanoic acid assuming 100% perhydrolysis) and a 66 ppm concentration of percarbonate (21 ppm hydrogen peroxide) to give a molar ratio of peroxygen compound to cationic organic catalyst compound of 246:1.
- the bleach systems of the present invention can be characterized by the molar ratio of a peracid to cationic organic catalyst compound.
- the molar ratio of peracid to cationic organic catalyst compound is greater than 1:1, more preferably about 5,000:1 to about 5:1, still even more preferably from about 2,000:1 to about 10:1, and even from about 1,000:1 to 15:1.
- the preferred molar ratios of peracid to cationic organic catalyst compound vary with the wash conditions. For example, under European wash conditions (typically comprising from about 4500 ppm to 5000 ppm of detergent components in the wash water), the preferred molar ratio of peracid to cationic organic catalyst compound is from about 2,000:1 to about 150:1. Whereas, under North American wash conditions (typically comprising from about 850 ppm to about 1000 ppm of detergent components in the wash water), the preferred molar ratio of peracid to cationic organic catalyst compound is from about 150:1 to about 5:1.
- the bleach system of the present invention can be characterized by the molar ratio of a hydrophobic peracid to cationic organic catalyst compound, preferably a hydrophobic cationic organic catalyst compound.
- the molar ratio of the hydrophobic peracid to cationic organic catalyst compound is from about 500: 1 to about 15:1, more preferably about 350:1 to about 20:1, still even more preferably from about 200:1 to about 25:1, and even more preferably from about 100:1 to about 35:1.
- the cationic organic catalyst compounds of the present invention include, but are not limited to, bleach boosting compounds.
- the bleach boosting compounds, preferably iminium- based bleach boosting compounds, of the present invention include, but are not limited to, aryliminium cations and aryliminium polyions, which have a net charge of from about +3 to about -3 and mixtures thereof.
- Aryliminium Cations and Polyions - The aryliminium cations and aryliminium polyions, which have a net charge of from about +3 to about -3, are represented by the formula [I]:
- R ⁇ -R3 are independently selected from substituted or unsubstituted, saturated or unsaturated radicals selected from the group consisting of H, alkyl, cycloalkyl, aryl, alkaryl, aralkyl, heterocyclic ring, silyl, nitro, halo, cyano, sulfonato, alkoxy, keto, carboxylic, and carboalkoxy radicals;
- R 4 is selected from substituted or unsubstituted, saturated or unsaturated radicals selected from the group consisting of H, alkyl, cycloalkyl, aryl, alkaryl, aralkyl, heterocyclic ring, silyl, nitro, halo, cyano, sulfonato, alkoxy, keto, carboxylic, and carboalkoxy radicals;
- X " is a suitable charge-balancing, preferably bleach-compatible counterion; and v is an integer from 1 to 3.
- each R 2 ⁇ is independently selected from a substituted or unsubstituted radical selected from the group consisting of H, alkyl, cycloalkyl, aryl, fused aryl, heterocyclic ring, fused heterocyclic ring, nitro, halo, cyano, sulfonato, alkoxy, keto, carboxylic, and carboalkoxy radicals, and any two vicinal R 2 ⁇ substituents may combine to form a fused aryl, fused carbocyclic or fused heterocyclic ring;
- R* ° may be a substituted or unsubstituted radical selected from the group consisting of H, alkyl, cycloalkyl, alkaryl, aryl, aralkyl, heterocyclic ring, silyl, nitro, halo, cyano, sulfonato, alkoxy, keto, carboxylic, and carboalkoxy radicals, and any two vicinal R 2 ⁇ substituent
- aryliminium cations and aryliminium polyions which have a net charge of from about +3 to about -3, as represented by the formula [XI], include those of formula [XI] where R y % is H or methyl and R 9 j s H or substituted or unsubstituted, saturated or unsaturated C ⁇ - C14 alkyl.
- bleaching species may also be used directly in accordance with the present invention.
- the bleaching species of the present invention include, but are not limited to, oxaziridinium cations and oxaziridinium polyions, which have a net charge of from about +3 to about -3 and mixtures thereof.
- aryliminium cations and/or aryliminium polyions of the present invention act in conjunction with a peroxygen source, when present, to increase bleaching effectiveness. Without being bound by theory, it is believed that the aryliminium cations and or aryliminium polyions react with the peroxygen source to form a more active bleaching species, a quaternary oxaziridinium compound, as represented by the following reaction by way of example:
- the cationic and/or polyion oxaziridinium compounds can have an increased or preferred activity at lower temperatures relative to the peroxygen compound.
- Oxaziridinium Cations and Polyions which have a net charge of from about +3 to about -3, are represented by the formula [III]:
- R ⁇ '-R 3 ' are independently selected from substituted or unsubstituted radicals selected from the group consisting of H, alkyl, cycloalkyl, aryl, alkaryl, aralkyl, heterocyclic ring, silyl, nitro, halo, cyano, sulfonato, alkoxy, keto, carboxylic, and carboalkoxy radicals;
- R 4 is a radical selected from the group consisting of substituted or unsubstituted, saturated or unsaturated, H, alkyl, cycloalkyl, aryl, alkaryl, aralkyl, heterocyclic ring, silyl, nitro, halo, cyano, sulfonato, alkoxy, keto, carboxylic, and carboalkoxy radicals;
- X" is a suitable charge-balancing counterion, preferably a bleach-compatible counterion; and v is an integer from 1 to 3.
- the oxaziridinium cations and polyions which have a net charge of from about +3 to about -3, are represented by formula [XIII]:
- each R 2 ⁇ is independently selected from a substituted or unsubstituted radical selected from the group consisting of H, alkyl, cycloalkyl, aryl, fused aryl, heterocyclic ring, fused heterocyclic ring, nitro, halo, cyano, sulfonato, alkoxy, keto, carboxylic, and carboalkoxy radicals, and any two vicinal R 2 ⁇ substituents may combine to form a fused aryl, fused carbocyclic or fused heterocyclic ring; R ⁇ ' may be a substituted or unsubstituted radical selected from the group consisting of H, alkyl, cycloalkyl, alkaryl, aryl, aralkyl, heterocyclic ring, silyl, nitro, halo, cyano
- R 21 '-R 24 ' are substituted or unsubstituted radicals independently selected from the group consisting of H, oxygen, linear or branched C j -Ci 2 alkyls, alkylenes, alkoxys, aryls, alkaryls, aralkyls, cycloalkyls, and heterocyclic rings; provided that any of R ⁇ ', R ⁇ ', R 2 ⁇ '-R 24 ' may be joined together with any other of R ⁇ R ⁇ ', R 2 ⁇ '-R 24 ' to form part of a common ring; any geminal R 2 * ' - R 22 ' may combine to form a carbonyl; any vic
- More preferred oxaziridinium cations and oxaziridinium polyions which have a net charge of from about +3 to about -3, as represented by the formula [XIII], include those of formula [XIII] where R ⁇ ' is H or methyl, and R 1 ⁇ ' is H or substituted or unsubstituted, saturated or unsaturated, C ⁇ - C ⁇ 4 alkyl.
- Suitable examples of X", an anionic counterion, include, but are not limited to: BF 4 " ,
- the anionic counterion is bleach-compatible.
- X + , K + , H + suitable examples of X + , a cationic counterion include, but are not limited to Na + , K + , H + .
- anionic and cationic counterions include, but are not limited to those described above.
- the organic catalyst compounds of the present invention may be added to a wash solution in levels of from about 0.00001% (0.0001 ppm) to about 10% (100 ppm) by weight of the composition, and preferably from about 0.0001% (0.001 ppm) to about 1% (10 ppm) by weight of the composition, more preferably from about 0.001% (0.01 ppm) to about 0.5% (5 ppm), even more preferably from about 0.004% (0.04 ppm) to about 0.25% (2.5 ppm). Most preferably from about 0.01% (0.1 ppm) to about 0.1% (1 ppm).
- the conversion values (in ppm) are provided for exemplary purposes, based on an in-use product concentration of 1000 ppm.
- a 1000 ppm wash solution of a product containing 0.2% organic catalyst compound by weight results in a organic catalyst compound concentration of 2 ppm.
- a 3500 ppm wash solution of a product containing 0.2% organic catalyst compound by weight results in a organic catalyst compound concentration of 6.5 ppm.
- DECOMPOSITION OF ORGANIC CATALYSTS The organic catalysts, specifically the bleach boosting compounds of the present invention are susceptible to decomposition by various decomposition pathways including, but not limited to, the aromatization pathway.
- the aromatization (decomposition) reaction of 6- membered ring boosters is well known in the art, as exemplified, without being limited by theory, in Hanquet et al., Tetrahedron 1993, 49, pp. 423-438.
- Other means of decomposition include, but are not limited to, attack on the bleach boosting compound and/or on the bleaching species by nucleophiles, including but not limited to attack by hydroxide anion, perhydroxide anion, carboxylate anion, percarboxylate anion and other nucleophiles present under in-wash conditions.
- Another method of improving the performance of organic catalyst compounds is to use an organic catalyst compound with increased stability to the wash conditions.
- Methods for delayed (controlled) addition of organic catalyst compounds are more fully described in copending and co-owned U.S. Provisional Patent Application entitled "Controlled Availability of Formulation Components, Compositions and Laundry Methods Employing Same” filed August 27, 1999 (P&G Attorney Docket Number 7749P).
- BLEACH SYSTEMS COMPRISING CATIONIC ORGANIC CATALYST COMPOUNDS In addition to the use of cationic organic catalyst compounds discussed above, the cationic organic catalyst compounds of the present invention may be employed in conjunction with or without, preferably with a peroxygen source in other bleach systems, regardless of their form.
- the cationic organic catalyst compounds may be employed in a laundry additive product.
- the peroxygen source may be present in levels of from about 0.1% to about 60% by weight of the composition, and preferably from about 1% to about 40% by weight ofthe composition.
- the organic catalyst compound may be present from about 0.00001% to about 10% by weight of the system, and preferably from about 0.0001% to about 1% by weight of the system, more preferably from about 0.001% to about 0.5%, even more preferably from about 0.004% to about 0.25%, most preferably from about 0.01 % to about 0.1 %.
- the bleach systems of the present invention may be advantageously employed in laundry applications, hard surface cleaning, automatic dishwashing applications, as well as cosmetic applications such as dentures, teeth, hair and skin.
- the organic catalyst compounds of the present invention are ideally suited for laundry applications such as the bleaching of fabrics through the use of bleach- containing detergents or laundry bleach additives.
- the bleach boosting compounds ofthe present invention may be employed in both granular and liquid compositions.
- the cationic organic catalyst compounds and bleach systems comprising the organic catalyst compounds can be used as antimicrobial agents and disinfectants.
- the bleach system systems of the present invention may include various additional ingredients which are desirable in laundry applications.
- Such ingredients include detersive surfactants, bleach catalysts, builders, chelating agents, enzymes, polymeric soil release agents, brighteners and various other ingredients.
- Compositions including any of these various additional ingredients preferably have a pH of from about 6 to about 12, preferably from about 8 to about 10.5 in a 1% solution ofthe bleach system.
- the bleach systems preferably include at least one detersive surfactant, at least one chelating agent, at least one detersive enzyme and preferably has a pH of about 6 to about 12, preferably from 8 to about 10.5 in a 1% solution ofthe bleach system.
- a method for laundering a fabric, especially a colored fabric, in need of laundering comprises contacting the fabric with a laundry solution.
- the fabric may comprise most any fabric capable of being laundered in normal consumer use conditions.
- the laundry solution comprises a bleach system comprising one or more cationic organic catalyst compounds of the present invention, as fully described herein.
- the water temperatures preferably range from about 0 °C to about 50 °C or higher.
- the water to fabric ratio is preferably from about 1 : 1 to about 15:1.
- the laundry solution may further include at least one additional ingredient selected from the group consisting of detersive surfactants, chelating agents, detersive enzymes and mixtures thereof.
- the laundry solution has a pH of about 6 to about 12, preferably from about 8 to about 10.5 in a 1% solution ofthe bleach system.
- the bleach systems of the present invention typically and preferably comprise a peroxygen source.
- Peroxygen sources are well-known in the art and the peroxygen source employed in the present invention may comprise any of these well known sources, including peroxygen compounds as well as compounds which under consumer use conditions provide an effective amount of peroxygen in situ.
- the peroxygen source may include a hydrogen peroxide source, the in situ formation of a peracid anion through the reaction of a hydrogen peroxide source and a bleach activator, preformed peracid compounds or mixtures of suitable peroxygen sources.
- the peroxygen source is selected from the group consisting of:
- preformed peracid compounds selected from the group consisting of percarboxylic acids and salts, percarbonic acids and salts, perimidic acids and salts, peroxymonosulfuric acids and salts, and mixtures thereof
- hydrogen peroxide sources selected from the group consisting of perborate compounds, percarbonate compounds, perphosphate compounds and mixtures thereof, and a bleach activator.
- peroxygen sources t ⁇ erac ids and/or hydrogen peroxide sources will typically be at levels of from about 1%, preferably from about 5% to about 30%, preferably to about 20% by weight of the composition. If present, the amount of bleach activator will typically be from about 0.1%, preferably from about 0.5% to about 60%, preferably to about 40% by weight, ofthe bleach system comprising the bleaching agent-plus-bleach activator.
- a. Preformed Peracids The preformed peracid compound as used herein is any convenient compound which is stable and which under consumer use conditions provides an effective amount of peracid anion.
- organic catalysts of the present invention may of course be used in conjunction with a preformed peracid compound selected from the group consisting of percarboxylic acids and salts, percarbonic acids and salts, perimidic acids and salts, peroxymonosulfuric acids and salts, and mixtures thereof, examples of which are described in U.S. Patent No. 5,576,282 to Miracle et al.
- a preformed peracid compound selected from the group consisting of percarboxylic acids and salts, percarbonic acids and salts, perimidic acids and salts, peroxymonosulfuric acids and salts, and mixtures thereof, examples of which are described in U.S. Patent No. 5,576,282 to Miracle et al.
- a preformed peracid compound selected from the group consisting of percarboxylic acids and salts, percarbonic acids and salts, perimidic acids and salts, peroxymonosulfuric acids and salts, and mixtures thereof, examples of which are described in U.
- Organic peroxyacids suitable for use in the present invention can contain either one or two peroxy groups and can be either aliphatic or aromatic. When the organic peroxycarboxylic acid is aliphatic, the unsubstituted peracid has the general formula:
- Y can be, for example, H, CH3, CH2CI, C(0)OH, or C(0)OOH; and n is an integer from 0 to 20.
- the organic peroxycarboxylic acid is aromatic, the unsubstituted peracid has the general formula:
- Y can be, for example, hydrogen, alkyl, alkylhalogen, halogen, C(0)OH or C(0)OOH.
- Typical monoperoxy acids useful herein include alkyl and aryl peroxyacids such as: (i) peroxybenzoic acid and ring-substituted peroxybenzoic acid, e.g. peroxy-a- naphthoic acid, monoperoxyphthalic acid (magnesium salt hexahydrate), and o- carboxybenzamidoperoxyhexanoic acid (sodium salt);
- aliphatic, substituted aliphatic and arylalkyl monoperoxy acids e.g. peroxylauric acid, peroxystearic acid, N-nonanoylaminoperoxycaproic acid (NAPCA), N,N-(3- octylsuccinoyl)aminoperoxycaproic acid (SAP A) and N,N-phthaloylaminoperoxycaproic acid (PAP);
- amidoperoxyacids e.g. monononylamide of either peroxysuccinic acid (NAPSA) or of peroxyadipic acid (NAPAA).
- NAPSA peroxysuccinic acid
- NAPAA peroxyadipic acid
- Typical diperoxyacids useful herein include alkyl diperoxyacids and aryldiperoxyacids, such as:
- Such bleaching agents are disclosed in U.S. Patent 4,483,781, Hartman, issued November 20, 1984, U.S. Patent 4,634,551 to Burns et al., European Patent Application 0,133,354, Banks et al. published February 20, 1985, and U.S. Patent 4,412,934, Chung et al. issued November 1, 1983.
- Sources also include 6-nonylamino-6-oxoperoxycaproic acid as fully described in U.S. Patent 4,634,551, issued January 6, 1987 to Burns et al.
- Persulfate compounds such as for example OXONE, manufactured commercially by E.I. DuPont de Nemours of Wilmington, DE can also be employed as a suitable source of peroxymonosulfuric acid.
- Hydrogen Peroxide Sources may be any suitable hydrogen peroxide source and present at such levels as fully described in U.S. Patent No.
- the hydrogen peroxide source may be selected from the group consisting of perborate compounds, percarbonate compounds, perphosphate compounds and mixtures thereof.
- Hydrogen peroxide sources are described in detail in the herein incorporated Kirk Othmer's Encyclopedia of Chemical Technology, 4th Ed (1992, John Wiley & Sons), Vol. 4, pp. 271-300 "Bleaching Agents (Survey)", and include the various forms of sodium perborate and sodium percarbonate, including various coated and modified forms.
- the preferred source of hydrogen peroxide used herein can be any convenient source, including hydrogen peroxide itself.
- perborate e.g., sodium perborate (any hydrate but preferably the mono- or tetra-hydrate), sodium carbonate peroxyhydrate or equivalent percarbonate salts, sodium pyrophosphate peroxyhydrate, urea peroxyhydrate, or sodium peroxide can be used herein.
- sources of available oxygen such as persulfate bleach (e.g., OXONE, manufactured by DuPont).
- Sodium perborate monohydrate and sodium percarbonate are particularly preferred. Mixtures of any convenient hydrogen peroxide sources can also be used.
- a preferred percarbonate bleach comprises dry particles having an average particle size in the range from about 500 micrometers to about 1,000 micrometers, not more than about 10% by weight of said particles being smaller than about 200 micrometers and not more than about 10% by weight of said particles being larger than about 1,250 micrometers.
- the percarbonate can be coated with a silicate, borate or water-soluble surfactants.
- Percarbonate is available from various commercial sources such as FMC, Solvay and Tokai Denka.
- compositions of the present invention may also comprise as the bleaching agent a chlorine-type bleaching material.
- a chlorine-type bleaching material Such agents are well known in the art, and include for example sodium dichloroisocyanurate ("NaDCC").
- NaDCC sodium dichloroisocyanurate
- chlorine-type bleaches are less preferred for compositions which comprise enzymes.
- Bleach Activators Preferably, the peroxygen source in the composition is formulated with an activator (peracid precursor). The activator is present at levels of from about 0.01%, preferably from about 0.5%, more preferably from about 1% to about 15%, preferably to about 10%, more preferably to about 8%, by weight of the composition.
- a bleach activator as used herein is any compound which when used in conjunction with a hydrogen peroxide source leads to the in situ production of the peracid corresponding to the bleach activator.
- activators are fully disclosed in U.S. Patent No. 5,576,282, U.S. Patent 4,915,854 and U.S. Patent 4,412,934. See also U.S. 4,634,551 for other typical bleaches and activators useful herein.
- Preferred activators are selected from the group consisting of tetraacetyl ethylene diamine
- TAED benzoylcaprolactam
- BzCL benzoylcaprolactam
- 4-nitrobenzoylcaprolactam 3-chlorobenzoylcaprolactam
- benzoyloxybenzenesulphonate BOBS
- NOBS nonanoyloxybenzenesulphonate
- PhBz decanoyloxybenzenesulphonate
- BZVL benzoylvalerolactam
- octanoyloxybenzenesulphonate Cg-OBS
- perhydrolyzable esters and mixtures thereof most preferably benzoylcaprolactam and benzoylvalerolactam.
- Particularly preferred bleach activators in the pH range from about 8 to about 9.5 are those selected having an OBS or VL leaving group.
- Preferred hydrophobic bleach activators include, but are not limited to, nonanoyloxybenzenesulphonate (NOBS), 4-[N-(nonanoyl) amino hexanoyloxy]-benzene sulfonate sodium salt (NACA-OBS) an example of which is described in U.S. Patent No. 5,523,434, lauroyloxybenzenesulphonate (LOBS or C12-OBS), 10- undecenoyloxybenzenesulfonate (UDOBS or Ci 1 -OBS with unsaturation in the 10 position), and decanoyloxybenzoic acid (DOB A).
- Preferred bleach activators are those described in U.S. 5,698,504 Christie et al., issued
- the mole ratio of peroxygen bleaching compound (as AvO) to bleach activator in the present invention generally ranges from at least 1:1, preferably from about 20:1, more preferably from about 10: 1 to about 1:1, preferably to about 3:1.
- Quaternary substituted bleach activators may also be included.
- the present bleach systems preferably comprise a quaternary substituted bleach activator (QSBA) or a quaternary substituted peracid (QSP); more preferably, the former.
- QSBA quaternary substituted bleach activator
- QSP quaternary substituted peracid
- bleach activators useful herein are amide-substituted as described in U.S. 5,698,504, U.S. 5,695,679, and U.S. 5,686,014 each of which are cited herein above.
- Preferred examples of such bleach activators include: (6-octanamidocaproyl) oxybenzenesulfonate, (6-nonanamidocaproyl)oxybenzenesulfonate, (6-decanamido caproyl)oxybenzenesulfonate and mixtures thereof.
- bleaching results can be obtained from bleaching systems having with in-use pH of from about 6 to about 13, preferably from about 9.0 to about 10.5.
- activators with electron-withdrawing moieties are used for near-neutral or sub-neutral pH ranges.
- Alkalis and buffering agents can be used to secure such pH.
- the bleach systems can also optionally include metal-containing bleach catalysts, preferably manganese and cobalt-containing bleach catalysts.
- One type of metal-containing bleach catalyst is a catalyst system comprising a transition metal cation of defined bleach catalytic activity, such as copper, iron, titanium, ruthenium tungsten, molybdenum, or manganese cations, an auxiliary metal cation having little or no bleach catalytic activity, such as zinc or aluminum cations, and a sequestrate having defined stability constants for the catalytic and auxiliary metal cations, particularly ethylenediaminetetraacetic acid, ethylenediaminetetra (methylenephosphonic acid) and water-soluble salts thereof.
- a transition metal cation of defined bleach catalytic activity such as copper, iron, titanium, ruthenium tungsten, molybdenum, or manganese cations
- an auxiliary metal cation having little or no bleach catalytic activity such as zinc or aluminum cations
- a sequestrate having defined stability constants for the catalytic and auxiliary metal cations, particularly ethylenediaminetetraacetic acid
- the compositions herein can be catalyzed by means of a manganese compound.
- a manganese compound Such compounds and levels of use are well known in the art and include, for example, the manganese-based catalysts disclosed in U.S. 5,576,282 Miracle et al., issued November 19, 1996; U.S. 5,246,621 Favre et al., issued September 21, 1993; U.S. 5,244,594 Favre et al., issued September 14, 1993; U.S. 5,194,416 Jureller et al., issued March 16, 1993; U.S. 5,114,606 van Vliet et al., issued May 19, 1992; and European Pat. App. Pub. Nos.
- Preferred examples of these catalysts include MnIV2(u-0) 3 (l ,4,7-trimethyl-l,4,7-triazacyclononane)2.
- metal-based bleach catalysts include those disclosed in U.S. 4,430,243 included by reference herein above and U.S. 5,114,611 van Kralingen, issued May 19, 1992.
- the use of manganese with various complex ligands to enhance bleaching is also reported in the following: U.S. 4,728,455 Rerek, issued March 1, 1988; U.S. 5,284,944 Madison, issued February 8, 1994; U.S. 5,246,612 van Dijk et al., issued September 21, 1993; U.S. 5,256,779 Kerschner et al., issued October 26, 2993; U.S. 5,280,117 Kerschner et al., issued January 18, 1994; U.S.
- cobalt pentaamine acetate salts having the formula [Co(NH3)5 ⁇ Ac] T y , wherein "OAc” represents an acetate moiety and “Ty” is an anion, and especially cobalt pentaamine acetate chloride, [Co(NH 3 ) 5 OAc]Cl2; as well as [Co(NH 3 ) 5 OAc](OAc) 2 ; [Co(NH 3 )5 ⁇ Ac](PF 6 ) 2 ; [Co(NH 3 ) 5 OAc](S0 4 ); [Co(NH 3 ) 5 OAc](BF 4 ) 2 ; and [Co(NH3) 5 OAc](N0 3 ) 2 (herein "PAC").
- cobalt catalysts are readily prepared by known procedures, such as taught for example in U.S. 5,597,936, U.S. 5,595,967, U.S. 5,703,030, cited herein above, the Tobe article and the references cited therein, and in U.S. Patent 4,810,410, to Diakun et al, issued March 7,1989, J. Chem. Ed. (1989), 66 (12), 1043-45; The Synthesis and Characterization of Inorganic Compounds, W.L. Jolly (Prentice-Hall; 1970), pp. 461-3; Inorg. Chem.. 18, 1497-1502 (1979); Inorg. Chem.. 2 ⁇ , 2881-2885 (1982); Inorg. Chem..
- Transition Metal Complexes of Macropolvcvclic Rigid Ligands - Compositions herein may also suitably include as bleach catalyst a transition metal complex of a macropolycyclic rigid ligand.
- the phrase "macropolycyclic rigid ligand” is sometimes abbreviated as "MRL” in discussion below.
- the amount used is a catalytically effective amount, suitably about 1 ppb or more, for example up to about 99.9%, more typically about 0.001 ppm or more, preferably from about 0.05 ppm to about 500 ppm (wherein “ppb” denotes parts per billion by weight and “ppm” denotes parts per million by weight).
- Suitable transition metals e.g., Mn are illustrated hereinafter.
- Macropolycyclic means a MRL is both a macrocycle and is polycyclic.
- Polycyclic means at least bicyclic.
- the term “rigid” as used herein herein includes “having a superstructure” and “cross-bridged”. "Rigid” has been defined as the constrained converse of flexibility: see D.H. Busch., Chemical Reviews.. (1993), 93, 847-860, incorporated by reference.
- rigid as used herein means that the MRL must be determinably more rigid than a macrocycle ("parent macrocycle") which is otherwise identical (having the same ring size and type and number of atoms in the main ring) but lacking a superstructure (especially linking moieties or, preferably cross-bridging moieties) found in the MRL's.
- parent macrocycle which is otherwise identical (having the same ring size and type and number of atoms in the main ring) but lacking a superstructure (especially linking moieties or, preferably cross-bridging moieties) found in the MRL's.
- the practitioner will use the free form (not the metal-bound form) of the macrocycles.
- Rigidity is well-known to be useful in comparing macrocycles; suitable tools for determining, measuring or comparing rigidity include computational methods (see, for example, Zimmer, Chemical Reviews. (1995), 95(38), 2629-2648 or Hancock et al., Inorganica Chimica ££13, (1989), 164,
- Preferred MRL's herein are a special type of ultra-rigid ligand which is cross-bridged.
- cross-bridge is nonlimitingly illustrated in 1.11 hereinbelow. In 1.11, the cross-bridge is a -
- Suitable metals in the rigid ligand complexes include Mn(II), Mn(III), Mn(IV), Mn(V),
- transition-metals in the instant transition- metal bleach catalyst include manganese, iron and chromium.
- the MRL's (and the corresponding transition-metal catalysts) herein suitably comprise: (a) at least one macrocycle main ring comprising four or more heteroatoms; and
- a covalently connected non-metal superstructure capable of increasing the rigidity of the macrocycle, preferably selected from (i) a bridging superstructure, such as a linking moiety;
- a cross-bridging superstructure such as a cross-bridging linking moiety
- Preferred superstructures herein not only enhance the rigidity of the parent macrocycle, but also favor folding of the macrocycle so that it coordinates to a metal in a cleft.
- Suitable superstructures can be remarkably simple, for example a linking moiety such as any of those illustrated in Fig. 1 and Fig. 2 below, can be used.
- n is an integer, for example from 2 to 8, preferably less than 6, typically 2 to 4, or
- Fig. 2 wherein m and n are integers from about 1 to 8, more preferably from 1 to 3; Z is N or CH; and T is a compatible substituent, for example H, alkyl, trialkylammonium, halogen, nitro, sulfonate, or the like.
- the aromatic ring in 1.10 can be replaced by a saturated ring, in which the atom in Z connecting into the ring can contain N, O, S or C.
- Suitable MRL's are further nonlimitingly illustrated by the following compound:
- Fig. 3 This is a MRL in accordance with the invention which is a highly preferred, cross- bridged, methyl-substituted (all nitrogen atoms tertiary) derivative of cyclam.
- this ligand is named 5,12-dimethyl-l,5,8,12-tetraazabicyclo[6.6.2]hexadecane using the extended von Baeyer system. See "A Guide to IUPAC Nomenclature of Organic Compounds: Recommendations 1993", R. Panico, W.H. Powell and J-C Richer (Eds.), Blackwell Scientific Publications, Boston, 1993; see especially section R-2.4.2.1.
- Transition-metal bleach catalysts of Macrocyclic Rigid Ligands which are suitable for use in the invention compositions can in general include known compounds where they conform with the definition herein, as well as, more preferably, any of a large number of novel compounds expressly designed for the present laundry or cleaning uses, and non-limitingly illustrated by any ofthe following:
- compositions herein may comprise one or more other bleach catalysts.
- Preferred bleach catalysts are cationic bleach catalysts, which are described in U.S. Patent No. 5,576,282 (especially 3-(3,4-dihydroisoquinolinium) propane sulfonate.
- Other bleach catalysts include cationic bleach catalysts are described in U.S. Patent Nos. 5,360,569, 5,442,066, 5,478,357, 5,370,826, 5,482,515, 5,550,256, and WO 95/13351, WO 95/13352, and WO 95/13353.
- compositions and cleaning processes herein can be adjusted to provide on the order of at least one part per hundred million of the active bleach catalyst species in the aqueous washing medium, and will preferably provide from about 0.01 ppm to about 25 ppm, more preferably from about 0.05 ppm to about 10 ppm, and most preferably from about 0.1 ppm to about 5 ppm, of the bleach catalyst species in the wash liquor.
- typical compositions herein will comprise from about 0.0005% to about 0.2%, more preferably from about 0.004% to about 0.08%, of bleach catalyst, especially manganese or cobalt catalysts, by weight ofthe cleaning compositions.
- the peroxygen source is selected from hydrogen peroxide sources selected from the group consisting of perborate compounds, percarbonate compounds, perphosphate compounds and mixtures thereof, and a bleach activator.
- the bleach activator is selected from the group consisting of hydrophobic bleach activators as disclosed herein.
- the purpose of such a bleach system is to mitigate unwanted decomposition of the organic catalyst, and to allow the peracid to achieve bleaching performance on a fabric in need of cleaning, such as a stained fabric, in a wash solution prior to the availability of the organic catalyst.
- the period of time between the peracid becoming active in a wash solution and the organic catalyst compounds becoming active can be in the range of from about 1 second to about 24 hours.
- the peracid can become active in the wash solution after the organic catalyst compound becomes active or available.
- a delayed addition bleach system (which may or may not be used in conjunction with this invention) is to allow the peracid to achieve maximum bleaching performance on a fabric in need of cleaning, such as a stained fabric, in a wash solution prior to the introduction of the organic catalyst compound.
- a bleach system comprising an organic catalyst compound which becomes active in a wash solution after a fabric in need of cleaning has been added to the wash solution.
- the organic catalyst compounds can have increased stability, a bleach system comprising an organic catalyst compound which becomes active in a wash solution prior to a fabric in need of cleaning has been added to the wash solution may be used.
- a preferred bleach system in accordance with the present invention is a bleach system comprising:
- the peroxygen source is preferably selected from the group consisting of:
- preformed peracid compounds selected from the group consisting of percarboxylic acids and salts, percarbonic acids and salts, perimidic acids and salts, peroxymonosulfuric acids and salts, and mixtures thereof, and
- hydrogen peroxide sources selected from the group consisting of perborate compounds, percarbonate compounds, perphosphate compounds and mixtures thereof, and a bleach activator.
- the bleach systems of the present invention also preferably comprise, in addition to one or more organic catalysts, described hereinbefore, one or more cleaning adjunct materials, preferably compatible with the organic catalyst(s) and/or any enzymes present in the bleach system.
- suitable means the bleach system materials do not reduce the bleaching activity of the organic catalyst and/or any enzymatic activity of any enzyme present in the bleach system to such an extent that the organic catalyst and/or enzyme is not effective as desired during normal use situations.
- cleaning adjunct materials means any liquid, solid or gaseous material selected for the particular type of bleach system desired and the form of the product (e.g., liquid; granule; powder; bar; paste; spray; tablet; gel; foam composition), which materials are also preferably compatible with the protease enzyme(s) and bleaching agent(s) used in the composition.
- Granular compositions can also be in "compact” form and the liquid compositions can also be in a "concentrated” form.
- cleaning adjunct materials are readily made by considering the surface, item or fabric to be cleaned, and the desired form of the composition for the cleaning conditions during use (e.g., through the wash detergent use).
- suitable cleaning adjunct materials include, but are not limited to, surfactants, builders, bleaches, bleach activators, bleach catalysts, other enzymes, enzyme stabilizing systems, chelants, optical brighteners, soil release polymers, dye transfer agents, dispersants, suds suppressors, dyes, perfumes, colorants, filler salts, hydrotropes, photoactivators, fluorescers, fabric conditioners, hydrolyzable surfactants, preservatives, anti-oxidants, anti-shrinkage agents, anti-wrinkle agents, germicides, fungicides, color speckles, silvercare, anti-tarnish and/or anti-corrosion agents, alkalinity sources, solubilizing agents, carriers, processing aids, pigments and pH control agents as described in U.S. Patent Nos. 5,705,464, 5,710
- cleaning adjunct materials are not compatible with the protease variant(s) in the bleach systems, then suitable methods of keeping the cleaning adjunct materials and the protease variant(s) separate (not in contact with each other) until combination of the two components is appropriate can be used. Suitable methods can be any method known in the art, such as gelcaps, encapulation, tablets, physical separation, etc.
- Such bleach systems include detergent compositions for cleaning hard surfaces, unlimited in form (e.g., liquid, granular, paste, foam, spray, etc.); detergent compositions for cleaning fabrics, unlimited in form (e.g., granular, liquid, bar formulations, etc.); dishwashing compositions (unlimited in form and including both granular and liquid automatic dishwashing); oral bleach systems, unlimited in form (e.g., dentifrice, toothpaste and mouthwash formulations); and denture bleach systems, unlimited in form (e.g., liquid, tablet).
- detergent compositions for cleaning hard surfaces unlimited in form (e.g., liquid, granular, paste, foam, spray, etc.); detergent compositions for cleaning fabrics, unlimited in form (e.g., granular, liquid, bar formulations, etc.); dishwashing compositions (unlimited in form and including both granular and liquid automatic dishwashing); oral bleach systems, unlimited in form (e.g., dentifrice, toothpaste and mouthwash formulations); and denture bleach systems, unlimited in form (e.
- the fabric bleach systems of the present invention are mainly intended to be used in the wash cycle of a washing machine; however, other uses can be contemplated, such as pretreatment product for heavily-soiled fabrics, or soaking product; the use is not necessarily limited to the washing-machine context, and the compositions of the present invention can be used alone or in combination with compatible handwash compositions.
- the bleach systems may include from about 1% to about 99.9% by weight of the composition ofthe cleaning adjunct materials.
- non-fabric bleach systems include hard surface bleach systems, dishwashing compositions, oral bleach systems, denture bleach systems and personal cleansing compositions.
- the bleach systems of the present invention are formulated as compositions suitable for use in a laundry machine washing method, the compositions of the present invention preferably contain both a surfactant and a builder compound and additionally one or more cleaning adjunct materials preferably selected from organic polymeric compounds, bleaching agents, additional enzymes, suds suppressors, dispersants, lime-soap dispersants, soil suspension and anti-redeposition agents and corrosion inhibitors.
- Laundry compositions can also contain softening agents, as additional cleaning adjunct materials.
- compositions ofthe present invention can also be used as detergent additive products in solid or liquid form. Such additive products are intended to supplement or boost the performance of conventional detergent compositions and can be added at any stage of the cleaning process.
- compositions of the invention When formulated as compositions for use in manual dishwashing methods the compositions of the invention preferably contain a surfactant and preferably other cleaning adjunct materials selected from organic polymeric compounds, suds enhancing agents, group II metal ions, solvents, hydrotropes and additional enzymes.
- the density of the laundry detergent compositions herein ranges from 400 to 1200 g/litter, preferably 500 to 950 g/litter of composition measured at 20°C.
- inorganic filler salts are conventional ingredients of detergent compositions in powder form; in conventional detergent compositions, the filler salts are present in substantial amounts, typically 17-35% by weight of the total composition. In the compact compositions, the filler salt is present in amounts not exceeding 15% of the total composition, preferably not exceeding 10%, most preferably not exceeding 5% by weight of the composition.
- the inorganic filler salts, such as meant in the present compositions are selected from the alkali and alkaline-earth-metal salts of sulfates and chlorides.
- a preferred filler salt is sodium sulfate.
- Liquid bleach systems according to the present invention can also be in a "concentrated form", in such case, the liquid bleach systems according the present invention will contain a lower amount of water, compared to conventional liquid detergents.
- the water content of the concentrated liquid bleach system is preferably less than 40%, more preferably less than 30%, most preferably less than 20% by weight ofthe bleach system.
- adjuncts illustrated hereinafter are suitable for use in the instant bleach systems and may be desirably incorporated in preferred embodiments of the invention, for example to assist or enhance cleaning performance, for treatment of the substrate to be cleaned, or to modify the aesthetics of the bleach system as is the case with perfumes, colorants, dyes or the like.
- the precise nature of these additional components, and levels of incorporation thereof, will depend on the physical form of the composition and the nature of the cleaning operation for which it is to be used.
- the bleach systems of the invention may for example, be formulated as granular or powder-form all-purpose or "heavy-duty" washing agents, especially laundry detergents; liquid, gel or paste-form all-purpose washing agents, especially the so-called heavy-duty liquid types; liquid fine-fabric detergents; hand dishwashing agents or light duty dishwashing agents, especially those of the high-foaming type; machine dishwashing agents, including the various tablet, granular, liquid and rinse-aid types for household and institutional use; liquid cleaning and disinfecting agents, including antibacterial hand-wash types, laundry bars, mouthwashes, denture cleaners, car or carpet shampoos, bathroom cleaners; hair shampoos and hair-rinses; shower gels and foam baths and metal cleaners; as well as cleaning auxiliaries such as bleach additives and "stain-stick" or pre-treat types.
- compositions of the present invention preferably contain a detersive surfactant.
- the detersive surfactant is typically selected from the group consisting of anionic, nonionics, cationics, ampholytics, cationics, and mixtures thereof.
- the present detergent compositions can be formulated to be used in the context of laundry cleaning or in other different cleaning applications, particularly including dishwashing.
- the particular surfactants used can therefore vary widely depending upon the particular end-use envisioned. Suitable surfactants are described below.
- nonionic, anionic, cationic amphoteric and cationic surfactants examples include "Surface Active Agents and Detergents” (Vol. I and II by Schwartz, Perry and Berch). A variety of such surfactants are also generally disclosed in U.S. Patent 3,929,678, issued December 30, 1975 to Laughlin, et al. at Column 23, line 58 through Column 29, line 23.
- the surfactant is typically present at a level of from about 0.1%, preferably about 1%, more preferably about 5% by weight of the bleach systems to about 99.9%, preferably about 80%, more preferably about 35%, most preferably 30% about by weight ofthe bleach systems.
- Anionic Surfactants - Anionic surfactants useful in the present invention are preferably selected from the group consisting of, linear alkylbenzene sulfonate, alpha olefin sulfonate, paraffin sulfonates, alkyl ester sulfonates, alkyl sulfates, alkyl alkoxy sulfate, alkyl sulfonates, alkyl alkoxy carboxylate, alkyl alkoxylated sulfates, sarcosinates, taurinates, and mixtures thereof.
- An effective amount typically from about 0.5% to about 90%, preferably about 5% to about 60%, more preferably from about 10 to about 30%, by weight of anionic detersive surfactant can be used in the present invention.
- Alkyl sulfate surfactants are another type of anionic surfactant of importance for use herein.
- dissolution of alkyl sulfates can be obtained, as well as improved formulability in liquid detergent formulations are water soluble salts or acids of the formula ROS0 3 M wherein R preferably is a C1 -C24 hydrocarbyl, preferably an alkyl or hydroxyalkyl having a C10-C20 alkyl component, more preferably a Cj2-
- Ci g alkyl or hydroxyalkyl, and M is H or a cation, e.g., an alkali (Group IA) metal cation (e.g., sodium, potassium, lithium), substituted or unsubstituted ammonium cations such as methyl-, dimethyl-, and trimethyl ammonium and quaternary ammonium cations, e.g., tetramethyl- ammonium and dimethyl piperdinium, and cations derived from alkanolamines such as ethanolamine, diethanolamine, triethanolamine, and mixtures thereof, and the like.
- alkyl chains of C 12.16 are preferred for lower wash temperatures (e.g., below about 50°C) and Ci g.i g alkyl chains are preferred for higher wash temperatures (e.g., above about 50°C).
- Alkyl alkoxylated sulfate surfactants are another category of useful anionic surfactant. These surfactants are water soluble salts or acids typically of the formula RO(A) m S0 3 M wherein
- R is an unsubstituted C10-C24 alkyl or hydroxyalkyl group having a C10-C24 alkyl component, preferably a C12-C20 alkyl or hydroxyalkyl, more preferably C ⁇ -Cj g alkyl or hydroxyalkyl, A is an ethoxy or propoxy unit, m is greater than zero, typically between about 0.5 and about 6, more preferably between about 0.5 and about 3, and M is H or a cation which can be, for example, a metal cation (e.g., sodium, potassium, lithium, etc.), ammonium or substituted- ammonium cation.
- a metal cation e.g., sodium, potassium, lithium, etc.
- Alkyl ethoxylated sulfates as well as alkyl propoxylated sulfates are contemplated herein.
- Specific examples of substituted ammonium cations include methyl-, dimethyl-, trimethyl-ammonium and quaternary ammonium cations, such as tetramethyl- ammonium, dimethyl piperidinium and cations derived from alkanolamines, e.g. monoethanolamine, diethanolamine, and triethanolamine, and mixtures thereof.
- Exemplary surfactants are Ci 2-C ⁇ g alkyl polyethoxylate (1.0) sulfate, Ci 2-C ⁇ g alkyl polyethoxylate (2.25) sulfate, Ci 2-C ⁇ alkyl polyethoxylate (3.0) sulfate, and Ci 2-C ⁇ g alkyl polyethoxylate (4.0) sulfate wherein M is conveniently selected from sodium and potassium.
- Surfactants for use herein can be made from natural or synthetic alcohol feedstocks. Chain lengths represent average hydrocarbon distributions, including branching.
- the surfactant may be a midchain branched alkyl sulfate, midchain branched alkyl alkoxylate, or midchain branched alkyl alkoxylate sulfate. These surfactants are further described in No. 60/061,971, Attorney docket No 688 IP October 14, 1997,
- MLAS modified alkyl benzene sulfonate surfactants
- MLAS modified alkyl benzene sulfonate surfactants
- 60/053,319 Docket No. 6766P
- 60/053,318 Docket No. 6767P
- 60/053,321 Docket No. 6768P
- 60/053,209 Docket No. 6769P
- 60/053,328 Docket No. 6770P
- 60/053,186 Docket No. 6771P
- 60/055,437 Docket No. 6796P
- 60/105,017 Docket No. 7303P
- 60/104,962 Docket No. 7304P
- anionic surfactants examples include "Surface Active Agents and Detergents” (Vol. I and II by Schwartz, Perry and Berch).
- Nonionic Detergent Surfactants - Suitable nonionic detergent surfactants are generally disclosed in U.S. Patent 3,929,678, Laughlin et al., issued December 30, 1975, at column 13, line 14 through column 16, line 6, incorporated herein by reference.
- Exemplary, non-limiting classes of useful nonionic surfactants include: amine oxides, alkyl ethoxylate, alkanoyl glucose amide, alkyl betaines, sulfobetaine and mixtures thereof.
- Amine oxides are semi-polar nonionic surfactants and include water-soluble amine oxides containing one alkyl moiety of from about 10 to about 18 carbon atoms and 2 moieties selected from the group consisting of alkyl groups and hydroxyalkyl groups containing from about 1 to about 3 carbon atoms; water-soluble phosphine oxides containing one alkyl moiety of from about 10 to about 18 carbon atoms and 2 moieties selected from the group consisting of alkyl groups and hydroxyalkyl groups containing from about 1 to about 3 carbon atoms; and water-soluble sulfoxides containing one alkyl moiety of from about 10 to about 18 carbon atoms and a moiety selected from the group consisting of alkyl and hydroxyalkyl moieties of from about 1 to about 3 carbon atoms.
- Semi-polar nonionic detergent surfactants include the amine oxide surfactants having the formula
- R 3 (OR 4 ) x N(R 5 ) 2 wherein R 3 is an alkyl, hydroxyalkyl, or alkyl phenyl group or mixtures thereof containing from about 8 to about 22 carbon atoms; R 4 is an alkylene or hydroxyalkylene group containing from about 2 to about 3 carbon atoms or mixtures thereof; x is from 0 to about 3; and each R ⁇ is an alkyl or hydroxyalkyl group containing from about 1 to about 3 carbon atoms or a polyethylene oxide group containing from about 1 to about 3 ethylene oxide groups.
- the R ⁇ groups can be attached to each other, e.g., through an oxygen or nitrogen atom, to form a ring structure.
- amine oxide surfactants in particular include Ci Q -Ci g alkyl dimethyl amine oxides and Cg-Ci2 a lk°xy ethyl dihydroxy ethyl amine oxides.
- the amine oxide is present in the composition in an effective amount, more preferably from about 0.1% to about 20%, even more preferably about 0.1% to about 15%, even more preferably still from about 0.5% to about
- polyethylene, polypropylene, and polybutylene oxide condensates of alkyl phenols are preferred. These compounds include the condensation products of alkyl phenols having an alkyl group containing from about 6 to about 12 carbon atoms in either a straight chain or branched chain configuration with the alkylene oxide.
- the ethylene oxide is present in an amount equal to from about 5 to about 25 moles of ethylene oxide per mole of alkyl phenol.
- nonionic surfactants of this type include Igepal® CO-630, marketed by the GAF Corporation; and Triton® X-45, X-l 14, X-100, and X-102, all marketed by the Rohm & Haas Company. These compounds are commonly referred to as alkyl phenol alkoxylates, (e.g., alkyl phenol ethoxylates).
- the condensation products of aliphatic alcohols with from about 1 to about 25 moles of ethylene oxide can either be straight or branched, primary or secondary, and generally contains from about 8 to about 22 carbon atoms. Particularly preferred are the condensation products of alcohols having an alkyl group containing from about
- Nonionic surfactants of this type include Tergitol® 15-S-9 (the condensation product of C11 -C15 linear secondary alcohol with 9 moles ethylene oxide), Tergitol® 24-L-6 NMW (the condensation product of C12-C14 primary alcohol with 6 moles ethylene oxide with a narrow molecular weight distribution), both marketed by Union Carbide Corporation; Neodol® 45-9 (the condensation product of C14-C15 linear alcohol with 9 moles of ethylene oxide), Neodol® 23-6.5 (the condensation product of Ci 2-C ⁇ 3 linear alcohol with 6.5 moles of ethylene oxide), Neodol® 45-7 (the condensation product of C14-C15 linear alcohol with 7 moles of ethylene oxide), Neodol® 45-4 (the condensation product of C14-C15 linear alcohol with 4 moles of ethylene oxide), marketed by Shell Chemical Company, and Kyro® EOB (the condensation product of
- nonionic surfactants include Dobanol 91-8® marketed by Shell Chemical Co. and Genapol UD-080® marketed by Hoechst. This category of nonionic surfactant is referred to generally as "alkyl ethoxylates.”
- alkyl ethoxylates The preferred alkylpolyglycosides have the formula
- R 2 0(C n H 2n O)t(glycosyl) x
- R 2 is selected from the group consisting of alkyl, alkyl-phenyl, hydroxyalkyl, hydroxyalkylphenyl, and mixtures thereof in which the alkyl groups contain from about 10 to about 18, preferably from about 12 to about 14, carbon atoms; n is 2 or 3, preferably 2; t is from 0 to about 10, preferably 0; and x is from about 1.3 to about 10, preferably from about 1.3 to about
- glycosyl is preferably derived from glucose.
- the alcohol or alkylpolyethoxy alcohol is formed first and then reacted with glucose, or a source of glucose, to form the glucoside (attachment at the 1 -position).
- the additional glycosyl units can then be attached between their 1 -position and the preceding glycosyl units 2-, 3-, 4- and/or 6-position, preferably predominantly the 2-position.
- Fatty acid amide surfactants having the formula:
- R 6 CN(R 7 ) 2 wherein R*> is an alkyl group containing from about 7 to about 21 (preferably from about 9 to about 17) carbon atoms and each R 7 is selected from the group consisting of hydrogen, C1-C4 alkyl, C1 -C4 hydroxyalkyl, and -(C 2 H4 ⁇ ) x H where x varies from about 1 to about 3.
- Preferred amides are Cg-C2f j ammonia amides, monoethanolamides, diethanolamides, and isopropanolamides.
- the nonionic surfactant when present, in the composition, is present in an effective amount, more preferably from about 0.1% to about 20%, even more preferably about
- the detergent compositions hereof may also contain an effective amount of polyhydroxy fatty acid amide surfactant.
- effective amount is meant that the formulator of the composition can select an amount of polyhydroxy fatty acid amide to be incorporated into the compositions that will improve the cleaning performance of the detergent composition. In general, for conventional levels, the incorporation of about 1%, by weight, polyhydroxy fatty acid amide will enhance cleaning performance.
- the detergent compositions herein will typically comprise about 1% weight basis, polyhydroxy fatty acid amide surfactant, preferably from about 3% to about 30%, of the polyhydroxy fatty acid amide.
- the polyhydroxy fatty acid amide surfactant component comprises compounds ofthe structural formula:
- R 2 CNZ wherein: R* is H, C1 -C4 hydrocarbyl, 2-hydroxy ethyl, 2-hydroxy propyl, or a mixture thereof, preferably C1 -C4 alkyl, more preferably C ⁇ or C2 alkyl, most preferably C ⁇ alkyl (i.e., methyl); and R 2 is a C5-C31 hydrocarbyl, preferably straight chain C7-C19 alkyl or alkenyl, more preferably straight chain C9-C17 alkyl or alkenyl, most preferably straight chain C ⁇ 1-C15 alkyl or alkenyl, or mixtures thereof; and Z is a polyhydroxyhydrocarbyl having a linear hydrocarbyl chain with at least 3 hydroxyls directly connected to the chain, or an alkoxylated derivative
- Z preferably will be derived from a reducing sugar in a reductive amination reaction; more preferably Z will be a glycityl.
- Suitable reducing sugars include glucose, fructose, maltose, lactose, galactose, mannose, and xylose.
- high dextrose com syrup, high fructose com syrup, and high maltose com syrup can be utilized as well as the individual sugars listed above. These com syrups may yield a mix of sugar components for Z. It should be understood that it is by no means intended to exclude other suitable raw materials.
- Z preferably will be selected from the group consisting of -CH2-
- R' can be, for example, N-methyl, N-ethyl, N-propyl, N-isopropyl, N-butyl, N-2-hydroxy ethyl, or N-2-hydroxy propyl.
- R 2 -CO-N ⁇ can be, for example, cocamide, stearamide, oleamide, lauramide, myristamide, capricamide, palmitamide, tallowamide, etc.
- Z can be 1-deoxyglucityl, 2-deoxyfructityl, 1-deoxymaltityl, 1-deoxylactityl, 1- deoxygalactityl, 1-deoxymannityl, 1-deoxymaltotriotityl, etc.
- polyhydroxy fatty acid amides are known in the art. In general, they can be made by reacting an alkyl amine with a reducing sugar in a reductive amination reaction to form a corresponding N-alkyl polyhydroxyamine, and then reacting the N-alkyl polyhydroxyamine with a fatty aliphatic ester or triglyceride in a condensation/amidation step to form the N-alkyl, N-polyhydroxy fatty acid amide product.
- Processes for making compositions containing polyhydroxy fatty acid amides are disclosed, for example, in G.B. Patent Specification 809,060, published February 18, 1959, by Thomas Hedley & Co., Ltd., U.S.
- Diamines -
- the preferred liquid detergent compositions, such as light duty liquid, LDL compositions, useful in the methods of the present invention may further comprise one or more diamines, preferably an amount of diamine such that the ratio of anionic surfactant present to the diamine is from about 40 : 1 to about 2: 1. Said diamines provide for increased removal of grease and greasy food material while maintaining suitable levels of suds.
- the diamines suitable for use in the compositions of the present invention have the formula:
- R 20 ' N R 20 wherein each R 20 is independently selected from the group consisting of hydrogen, C1-C4 linear or branched alkyl, alkyleneoxy having the formula:
- R21o is C2-C4 linear or branched alkylene, and mixtures thereof;
- R 22 is hydrogen, C 1 -C4 alkyl, and mixtures thereof;
- y is from 1 to about 10;
- X is a unit selected from: i) C3-C10 linear alkylene, C 3 -C ⁇ r j branched alkylene, C 3 -C I cyclic alkylene, C 3 - C10 branched cyclic alkylene, an alkyleneoxyalkylene having the formula: (R21O) y R21 wherein R 2 ⁇ and y are the same as defined herein above; ii) C 3 -C ⁇ o linear, C 3 -C ⁇ ⁇ branched linear, C 3 -C I Q cyclic, C 3 -CI Q branched cyclic alkylene, C6-C I Q arylene, wherein said unit comprises one or more electron donating or electron withdrawing moieties which provide said
- the preferred diamines of the present invention have a pKi and pK2 which are each in the range of from about 8 to about 11.5, preferably in the range of from about 8.4 to about 11, more preferably from about 8.6 to about 10.75.
- pK a stands equally well for the terms "pKi " and "pK2" either separately or collectively.
- the pK a values of the diamines are specified as being measured in an aqueous solution at 25° C having an ionic strength of from about 0.1 to about 0.5 M.
- the pK a is an equilibrium constant dependent upon temperature and ionic strength, therefore, value reported by literature references, not measured in the above described manner, may not be within full agreement with the values and ranges which comprise the present invention.
- the relevant conditions and or references used for pK a 's of this invention are as defined herein or in "Critical Stability Constants: Volume 2, Amines".
- One typical method of measurement is the potentiometric titration of the acid with sodium hydroxide and determination of the pK a by suitable methods as described and referenced in "The Chemist's
- adjunct ingredients useful in the bleach systems, especially laundry detergent compositions, of the present invention
- said adjunct ingredients include builders, optical brighteners, soil release polymers, dye transfer agents, dispersants, enzymes, suds suppressers, dyes, perfumes, colorants, filler salts, hydrotropes, photoactivators, fluorescers, fabric conditioners, hydrolyzable surfactants, preservatives, anti-oxidants, chelants, stabilizers, anti-shrinkage agents, anti-wrinkle agents, germicides, fungicides, anti corrosion agents, and mixtures thereof.
- Builders - The bleach systems of the present invention preferably comprise one or more detergent builders or builder systems.
- compositions When present, the compositions will typically comprise at least about 1% builder, preferably from about 5%, more preferably from about 10% to about 80%, preferably to about 50%, more preferably to about 30% by weight, of detergent builder.
- the level of builder can vary widely depending upon the end use of the composition and its desired physical form.
- the compositions will typically comprise at least about 1% builder.
- Formulations typically comprise from about 5% to about 50%, more typically about 5% to about 30%, by weight, of detergent builder.
- Granular formulations typically comprise from about 10% to about 80%, more typically from about 15% to about 50% by weight, of the detergent builder. Lower or higher levels of builder, however, are not meant to be excluded.
- Inorganic or P-containing detergent builders include, but are not limited to, the alkali metal, ammonium and alkanolammonium salts of polyphosphates (exemplified by the tripolyphosphates, pyrophosphates, and glassy polymeric meta-phosphates), phosphonates, phytic acid, silicates, carbonates (including bicarbonates and sesquicarbonates), sulphates, and aluminosilicates.
- non-phosphate builders are required in some locales.
- compositions herein function surprisingly well even in the presence of the so-called “weak” builders (as compared with phosphates) such as citrate, or in the so-called “underbuilt” situation that may occur with zeolite or layered silicate builders.
- silicate builders are the alkali metal silicates, particularly those having a Si ⁇ 2:Na2 ⁇ ratio in the range 1.6:1 to 3.2:1 and layered silicates, such as the layered sodium silicates described in U.S. 4,664,839 Rieck, issued May 12, 1987.
- NaSKS-6 is the trademark for a crystalline layered silicate marketed by Hoechst (commonly abbreviated herein as "SKS-6").
- Na SKS-6 silicate builder does not contain aluminum.
- NaSKS-6 has the delta-Na2Si ⁇ 5 mo ⁇ hology form of layered silicate. It can be prepared by methods such as those described in German DE-A-3,417,649 and DE-A-3 ,742,043.
- SKS-6 is a highly preferred layered silicate for use herein, but other such layered silicates, such as those having the general formula NaMSi x ⁇ 2 x + ⁇ -yH2 ⁇ wherein M is sodium or hydrogen, x is a number from 1.9 to 4, preferably 2, and y is a number from 0 to 20, preferably 0 can be used herein.
- layered silicates from Hoechst include NaSKS-5, NaSKS-7 and NaSKS-11, as the alpha, beta and gamma forms.
- the delta-Na2Si ⁇ 5 (NaSKS-6 form) is most preferred for use herein.
- Other silicates may also be useful such as for example magnesium silicate, which can serve as a crispening agent in granular formulations, as a stabilizing agent for oxygen bleaches, and as a component of suds control systems.
- Aluminosilicate builders are useful in the present invention. Aluminosilicate builders are of great importance in most currently marketed heavy duty granular detergent compositions, and can also be a significant builder ingredient in liquid detergent formulations. Aluminosilicate builders include those having the empirical formula: [M z (zA10 2 )y] xH 2 0 wherein z and y are integers of at least 6, the molar ratio of z to y is in the range from 1.0 to about 0.5, and x is an integer from about 15 to about 264.
- aluminosilicate ion exchange materials are commercially available. These aluminosilicates can be crystalline or amorphous in structure and can be naturally-occurring aluminosilicates or synthetically derived. A method for producing aluminosilicate ion exchange materials is disclosed in U.S. 3,985,669, Krummel et al, issued October 12, 1976. Preferred synthetic crystalline aluminosilicate ion exchange materials useful herein are available under the designations Zeolite A, Zeolite P (B), Zeolite MAP and Zeolite X.
- the crystalline aluminosilicate ion exchange material has the formula: Na 12 [(A10 2 ) 12 (Si ⁇ 2)i2]-xH 2 0 wherein x is from about 20 to about 30, especially about 27.
- This material is known as Zeolite A.
- the aluminosilicate has a particle size of about 0.1-10 microns in diameter.
- Organic detergent builders suitable for the purposes of the present invention include, but are not restricted to, a wide variety of polycarboxylate compounds.
- polycarboxylate refers to compounds having a plurality of carboxylate groups, preferably at least 3 carboxylates.
- Polycarboxylate builder can generally be added to the composition in acid form, but can also be added in the form of a neutralized salt. When utilized in salt form, alkali metals, such as sodium, potassium, and lithium, or alkanolammonium salts are preferred. Included among the polycarboxylate builders are a variety of categories of useful materials.
- ether polycarboxylate builders encompasses the ether polycarboxylates, including oxydisuccinate, as disclosed in U.S. 3,128,287 Berg, issued April 7, 1964, U.S. 3,635,830 Lamberti et al., issued January 18, 1972, and U.S. 3,936,448 Lamberti, issued February 3, 1976. See also "TMS/TDS" builders of U.S. 4,663,071 Bush et al., issued May 5, 1987.
- Suitable ether polycarboxylates also include cyclic compounds, particularly alicyclic compounds, such as those described in U.S. 3,923,679 Rapko, issued December 2, 1975; U.S.
- ether hydroxypolycarboxylates copolymers of maleic anhydride with ethylene or vinyl methyl ether, 1, 3, 5-trihydroxy benzene-2, 4, 6- trisulphonic acid, and carboxymethyloxysuccinic acid
- various alkali metal, ammonium and substituted ammonium salts of polyacetic acids such as ethylenediamine tetraacetic acid and nitrilotriacetic acid
- polycarboxylates such as mellitic acid, succinic acid, oxydisuccinic acid, polymaleic acid, benzene 1,3,5-tricarboxylic acid, carboxymethyloxysuccinic acid, and soluble salts thereof.
- Citrate builders e.g., citric acid and soluble salts thereof (particularly sodium salt), are polycarboxylate builders of particular importance for heavy duty liquid detergent formulations due to their availability from renewable resources and their biodegradability. Citrates can also be used in granular compositions, especially in combination with zeolite and/or layered silicate builders. Oxydisuccinates are also especially useful in such compositions and combinations.
- succinic acid builders include the C5-C20 alkyl and alkenyl succinic acids and salts thereof.
- a particularly preferred compound of this type is dodecenylsuccinic acid.
- succinate builders include: laurylsuccinate, myristylsuccinate, palmitylsuccinate, 2- dodecenylsuccinate (preferred), 2-pentadecenylsuccinate, and the like. Laurylsuccinates are the preferred builders of this group, and are described in European Patent Application
- Fatty acids e.g., C ⁇ -C j g monocarboxylic acids
- Such use of fatty acids will generally result in a diminution of sudsing, which should be taken into account by the formulator.
- the various alkali metal phosphates such as the well-known sodium tripolyphosphates, sodium pyrophosphate and sodium orthophosphate can be used.
- Phosphonate builders such as ethane- 1 -hydroxy- 1,1-diphosphonate and other known phosphonates (see, for example, U.S. Patents 3,159,581; 3,213,030; 3,422,021; 3,400,148 and 3,422,137) can also be used.
- the bleach systems herein may also optionally contain one or more iron and/or manganese chelating agents.
- chelating agents can be selected from the group consisting of amino carboxylates, amino phosphonates, polyfunctionally-substituted aromatic chelating agents and mixtures therein, all as hereinafter defined. Without intending to be bound by theory, it is believed that the benefit of these materials is due in part to their exceptional ability to remove iron and manganese ions from washing solutions by formation of soluble chelates.
- a preferred biodegradable chelator for use herein is ethylenediamine disuccinate
- EDDS especially the [S,S] isomer as described in U.S. Patent 4,704,233, November 3, 1987, to Hartman and Perkins.
- compositions herein may also contain water-soluble methyl glycine diacetic acid (MGDA) salts (or acid form) as a chelant or co-builder useful with, for example, insoluble builders such as zeolites, layered silicates and the like.
- MGDA water-soluble methyl glycine diacetic acid
- these chelating agents will generally comprise from about 0.1% by weight of the bleach systems herein to about 15%, more preferably 3.0% by weight of the bleach systems herein.
- the bleach systems of the present invention may also include one or more compounds, dye transfer inhibiting agents, for inhibiting dye transfer from one fabric to another of solubilized and suspended dyes encountered during fabric laundering and conditioning operations involving colored fabrics.
- Suitable polymeric dye transfer inhibiting agents include, but are not limited to, polyvinylpyrrolidone polymers, polyamine N-oxide polymers, copolymers of N-vinylpyrrolidone and N-vinylimidazole, polyvinyloxazolidones and polyvinylimidazoles or mixtures thereof.
- Additional suitable dye transfer inhibiting agents include, but are not limited to, cross- linked polymers.
- Cross-linked polymers are polymers whose backbone are interconnected to a certain degree; these links can be of chemical or physical nature, possibly with active groups on the backbone or on branches. Cross-linked polymers have been described in the Journal of Polymer Science, volume 22, pages 1035-1039.
- the cross-linked polymers are made in such a way that they form a three-dimensional rigid structure, which can entrap dyes in the pores formed by the three- dimensional structure.
- cross-linked polymers entrap dyes by swelling.
- Suitable cross-linked polymers are described in the co-pending European patent application 94870213.9.
- the dye transfer inhibiting agents have the ability to complex or adsorb fugitive dyes wash out of dyed fabrics before the dyes have the opportunity to become attached to other articles in the wash.
- the dye transfer inhibiting agents are present at levels from about 0.0001%, more preferably about 0.01%, most preferably about 0.05% by weight of the bleach systems to about 10%, more preferably about 2%, most preferably about 1% by weight ofthe bleach systems.
- Dispersants - The bleach systems of the present invention can also contain dispersants.
- Suitable water-soluble organic salts are the homo- or co-polymeric acids or their salts, in which the polycarboxylic acid comprises at least two carboxyl radicals separated from each other by not more than two carbon atoms.
- Polymers of this type are disclosed in GB- A- 1,596,756.
- Examples of such salts are polyacrylates of MW 2000-5000 and their copolymers with maleic anhydride, such copolymers having a molecular weight of from 1,000 to 100,000.
- copolymer of acrylate and methylacrylate such as the 480N having a molecular weight of 4000, at a level from 0.5-20% by weight of composition can be added in the detergent compositions ofthe present invention.
- compositions ofthe invention may contain a lime soap peptiser compound, which has a lime soap dispersing power (LSDP), as defined hereinafter of no more than 8, preferably no more than 7, most preferably no more than 6.
- LSDP lime soap dispersing power
- the lime soap peptiser compound is preferably present at a level from 0% to 20% by weight.
- LSDP lime soap dispersant power
- Surfactants having good lime soap peptiser capability will include certain amine oxides, betaines, sulfobetaines, alkyl ethoxysulfates and ethoxylated alcohols.
- Polymeric lime soap peptisers suitable for use herein are described in the article by M.K.
- Hydrophobic bleaches such as 4-[N-octanoyl-6-aminohexanoyl]benzene sulfonate, 4-[N- nonanoyl-6-aminohexanoyl]benzene sulfonate, 4-[N-decanoyl-6-aminohexanoyl]benzene sulfonate and mixtures thereof; and nonanoyloxy benzene sulfonate together with hydrophilic / hydrophobic bleach formulations can also be used as lime soap peptisers compounds.
- Enzymes - The bleach systems can comprise in addition to the amylase of the present invention one or more detergent enzymes which provide cleaning performance and/or fabric care benefits.
- Such enzymes can include proteases, amylases, cellulases and lipases. They may be incorporated into the non-aqueous liquid bleach systems herein in the form of suspensions, "marumes" or "prills".
- Another suitable type of enzyme comprises those in the form of slurries of enzymes in nonionic surfactants, e.g., the enzymes marketed by Novo Nordisk under the tradename "SL” or the microencapsulated enzymes marketed by Novo Nordisk under the tradename "LDP.” Suitable enzymes and levels of use are described in U.S. Pat. No.
- Enzymes added to the compositions herein in the form of conventional enzyme prills are especially preferred for use herein. Such prills will generally range in size from about 100 to 1 ,000 microns, more preferably from about 200 to 800 microns and will be suspended throughout the non-aqueous liquid phase of the composition. Prills in the compositions of the present invention have been found, in comparison with other enzyme forms, to exhibit especially desirable enzyme stability in terms of retention of enzymatic activity over time. Thus, compositions which utilize enzyme prills need not contain conventional enzyme stabilizing such as must frequently be used when enzymes are incorporated into aqueous liquid detergents.
- suitable enzymes include, but are not limited to, hemicellulases, peroxidases, proteases, cellulases, xylanases, lipases, phospholipases, esterases, cutinases, pectinases, keratanases, reductases, oxidases, phenoloxidases, lipoxygenases, ligninases, pullulanases, tannases, pentosanases, malanases, ⁇ -glucanases, arabinosidases, hyaluronidase, chondroitinase, laccase, known amylases, mannanases, xyloglucanases and mixtures thereof.
- a preferred combination is a bleach system having a cocktail of conventional applicable enzymes like protease, lipase, cutinase and/or cellulase in conjunction with the amylase of the present invention.
- suitable enzymes are disclosed in U.S. Patent Nos. 5,576,282, 5,728,671 and 5,707,950
- Suitable proteases are the subtilisins which are obtained from particular strains of B. subtilis and B. licheniformis (subtihsin BPN and BPN').
- One suitable protease is obtained from a strain of Bacillus, having maximum activity throughout the pH range of 8-12, developed and sold as ESPERASE® by Novo Industries A/S of Denmark, hereinafter "Novo". The preparation of this enzyme and analogous enzymes is described in GB 1,243,784 to Novo.
- Other suitable proteases include ALCALASE®, DURAZYM® and SAVINASE® from Novo and MAXATASE®, MAXACAL®, PROPERASE® and MAXAPEM® (protein engineered Maxacal) from Gist-Brocades.
- Proteolytic enzymes also encompass modified bacterial serine proteases, such as those described in European Patent Application Serial Number 87 303761.8, filed April 28, 1987 (particularly pages 17, 24 and 98), and which is called herein "Protease B", and in European Patent Application 199,404, Venegas, published October 29, 1986, which refers to a modified bacterial serine protealytic enzyme which is called "Protease A” herein.
- Protease C is a variant of an alkaline serine protease from Bacillus in which lysine replaced arginine at position 27, tyrosine replaced valine at position 104, serine replaced asparagine at position 123, and alanine replaced threonine at position 274.
- Protease C is described in EP 90915958:4, corresponding to WO 91/06637, Published May 16, 1991. Genetically modified variants, particularly of Protease C, are also included herein. See also a high pH protease from Bacillus sp. NCIMB 40338 described in WO 93/18140 A to Novo.
- Enzymatic detergents comprising protease, one or more other enzymes, and a reversible protease inhibitor are described in WO 92/03529 A to Novo.
- a protease having decreased adsorption and increased hydrolysis is available as described in WO 95/07791 to Procter & Gamble.
- a recombinant trypsin-like protease for detergents suitable herein is described in WO 94/25583 to Novo.
- protease referred to as "Protease D” is a carbonyl hydrolase variant having an amino acid sequence not found in nature, which is derived from a precursor carbonyl hydrolase by substituting a different amino acid for a plurality of amino acid residues at a position in said carbonyl hydrolase equivalent to position +76, preferably also in combination with one or more amino acid residue positions equivalent to those selected from the group consisting of +99, +101, +103, +104, +107, +123, +27, +105, +109, +126, +128, +135, +156, +166, +195, +197, +204, +206, +210, +216, +217, +218, +222, +260, +265, and/or +274 according to the numbering of Bacillus amyloliquefaciens subtihsin, as described in WO 95/10615 published April 20, 1995 by Genencor International.
- proteases described in patent applications EP 251 446 and W091/06637 and protease BLAP® described in WO91/02792.
- the proteolytic enzymes are incorporated in the bleach systems of the present invention a level of from 0.0001% to 2%, preferably from 0.001% to 0.2%, more preferably from 0.005% to 0.1% pure enzyme by weight of the composition.
- proteases are also described in PCT publications: WO 95/30010 published November 9, 1995 by The Procter & Gamble Company; WO 95/30011 published November 9, 1995 by The Procter & Gamble Company; WO 95/29979 published November 9, 1995 by The Procter & Gamble Company.
- Other particularly useful proteases are multiply-substituted protease variants comprising a substitution of an amino acid residue with another naturally occurring amino acid residue at an amino acid residue position corresponding to position 103 of Bacillus amyloliquefaciens subtihsin in combination with a substitution of an amino acid residue with another naturally occurring amino acid residue at one or more amino acid residue positions corresponding to positions 1, 3, 4, 8, 9, 10, 12, 13, 16, 17, 18, 19, 20, 21, 22, 24, 27, 33, 37, 38, 42, 43, 48, 55, 57, 58, 61, 62, 68, 72, 75, 76, 77, 78, 79, 86, 87, 89, 97, 98, 99, 101, 102, 104, 106, 107, 109, 11 1, 1 14, 1 16, 117, 119, 121, 123, 126, 128, 130, 131, 133, 134, 137, 140, 141, 142, 146, 147, 158, 159, 160,
- the protease variant includes a substitution set selected from the group consisting of:
- the protease variant includes the substitution set 101/103/104/159/232/ 236/245/248/252, preferably 101G/103A 104I/159D/232V/236H 245R/248D/252K.
- the cellulases usable in the present invention include both bacterial or fungal cellulase. Preferably, they will have a pH optimum of between 5 and 9.5. Suitable cellulases are disclosed in U.S. Patent 4,435,307, Barbesgoard et al, which discloses fungal cellulase produced from Humicola insolens. Suitable cellulases are also disclosed in GB-A-2.075.028; GB-A-2.095.275 and DE-OS-2.247.832.
- cellulases examples include cellulases produced by a strain of Humicola insolens (Humicola grisea var. thermoidea), particularly the Humicola strain DSM 1800.
- suitable cellulases are cellulases originated from Humicola insolens having a molecular weight of about 50KDa, an isoelectric point of 5.5 and containing 415 amino acids; and a " 43kD endoglucanase derived from Humicola insolens, DSM 1800, exhibiting cellulase activity; a preferred endoglucanase component has the amino acid sequence disclosed in PCT Patent Application No. WO 91/17243.
- suitable cellulases are the EGIII cellulases from Trichoderma longibrachiatum described in WO94/21801, Genencor, published September 29, 1994.
- Especially suitable cellulases are the cellulases having color care benefits. Examples of such cellulases are cellulases described in European patent application No. 91202879.2, filed November 6, 1991 (Novo). Carezyme and Celluzyme (Novo Nordisk A S) are especially useful. See also W091/17243.
- Peroxidase enzymes are known in the art, and include, for example, horseradish peroxidase, ligninase and haloperoxidase such as chloro- and bromo-peroxidase.
- Peroxidase- containing bleach systems are disclosed, for example, in U.S. Patent Nos. 5,576,282, 5,728,671 and 5,707,950, PCT International Applications WO 89/099813, WO89/09813 and in European Patent application EP No. 91202882.6, filed on November 6, 1991 and EP No. 96870013.8, filed February 20, 1996.
- laccase enzyme Preferred enhancers are substituted phenthiazine and phenoxasine 10-
- Phenothiazinepropionicacid PPT
- 10-ethylphenothiazine-4-carboxylic acid EPC
- 10- phenoxazinepropionic acid POP
- 10-methylphenoxazine described in WO 94/12621
- substituted syringates C3-C5 substituted alkyl syringates
- Sodium percarbonate or perborate are preferred sources of hydrogen peroxide.
- Said peroxidases are normally incorporated in the bleach system at levels from 0.0001% to 2% of active enzyme by weight of the bleach system.
- Suitable lipase enzymes for detergent usage include those produced by microorganisms of the Pseudomonas group, such as Pseudomonas stutzeri ATCC 19.154, as disclosed in British Patent 1,372,034.
- Suitable lipases include those which show a positive immunological cross-reaction with the antibody of the lipase, produced by the microorganism Pseudomonas fluorescent IAM 1057. This lipase is available from Amano Pharmaceutical Co. Ltd., Nagoya, Japan, under the trade name Lipase P "Amano,” hereinafter referred to as "Amano- P".
- lipases include Amano-CES, lipases ex Chromobacter viscosum, e.g. Chromobacter viscosum var. lipolyticum NRRLB 3673 from Toyo Jozo Co., Tagata, Japan; Chromobacter viscosum lipases from U.S. Biochemical Corp., U.S.A. and Disoynth Co., The Netherlands, and lipases ex Pseudomonas gladioli.
- lipases such as Ml LIPASE® and LIPOMAX® (Gist-Brocades) and LIPOLASE® and LIPOLASE ULTRA®(Novo) which have found to be very effective when used in combination with the compositions ofthe present invention.
- cutinases [EC 3.1.1.50] which can be considered as a special kind of lipase, namely lipases which do not require interfacial activation. Addition of cutinases to bleach systems have been described in e.g. WO 88/09367 (Genencor).
- the lipases and/or cutinases are normally incorporated in the bleach system at levels from 0.0001 % to 2% of active enzyme by weight of the bleach system.
- Known amylases ⁇ and/or ⁇
- WO 94/02597, Novo Nordisk A S published February 03, 1994 describes cleaning compositions which incorporate mutant amylases. See also W094/18314, Genencor, published August 18, 1994 and WO95/10603, Novo Nordisk A/S, published April 20, 1995.
- Other amylases known for use in bleach systems include both ⁇ - and ⁇ -amylases.
- ⁇ -Amylases are known in the art and include those disclosed in US Pat.
- amylases including PURAFACT OX AM® described in WO 94/18314, published August 18, 1994 and WO96/05295, Genencor, published February 22, 1996 and amylase variants from Novo Nordisk A/S, disclosed in WO 95/10603, published April 95.
- ⁇ -amylases examples include TERMAMYL®, BAN®, FUNGAMYL® and DURAMYL®, all available from Novo Nordisk A/S Denmark.
- W095/26397 describes other suitable amylases : ⁇ -amylases characterized by having a specific activity at least 25% higher than the specific activity of TERMAMYL® at a temperature range of 25°C to 55°C and at a pH value in the range of 8 to 10, measured by the Phadebas® ⁇ -amylase activity assay.
- Other amylolytic enzymes with improved properties with respect to the activity level and the combination of thermostability and a higher activity level are described in W095/35382.
- compositions of the present invention may also comprise a mannanase enzyme.
- the mannanase is selected from the group consisting of: three mannans-degrading enzymes : EC 3.2.1.25 : ⁇ -mannosidase, EC 3.2.1.78 : Endo-l,4- ⁇ -mannosidase, referred therein after as "mannanase” and EC 3.2.1.100 : 1 ,4- ⁇ -mannobiosidase and mixtures thereof.
- mannanase is selected from the group consisting of: three mannans-degrading enzymes : EC 3.2.1.25 : ⁇ -mannosidase, EC 3.2.1.78 : Endo-l,4- ⁇ -mannosidase, referred therein after as "mannanase” and EC 3.2.1.100 : 1 ,4- ⁇ -mannobiosidase and mixtures thereof.
- the treating compositions of the present invention when a mannanase is present, comprise a ⁇ -l,4-Mannosidase (E.C. 3.2.1.78) referred to as Mannanase.
- Mannanase or "galactomannanase” denotes a mannanase enzyme defined according to the art as officially being named mannan endo-l,4-beta-mannosidase and having the alternative names beta- mannanase and endo- 1 ,4-mannanase and catalysing the reaction: random hydrolysis of 1,4-beta- D- mannosidic linkages in mannans, galactomannans, glucomannans, and galactoglucomannans.
- Mannanases (EC 3.2.1.78) constitute a group of polysaccharases which degrade mannans and denote enzymes which are capable of cleaving polyose chains containing mannose units, i.e. are capable of cleaving glycosidic bonds in mannans, glucomannans, galactomannans and galactogluco-mannans.
- Mannans are polysaccharides having a backbone composed of ⁇ -1,4- linked mannose; glucomannans are polysaccharides having a backbone or more or less regularly alternating ⁇ -1,4 linked mannose and glucose; galactomannans and galactoglucomannans are mannans and glucomannans with ⁇ -1,6 linked galactose sidebranches. These compounds may be acetylated.
- the degradation of galactomannans and galactoglucomannans is facilitated by full or partial removal of the galactose sidebranches. Further the degradation of the acetylated mannans, glucomannans, galactomannans and galactogluco-mannans is facilitated by full or partial deacetylation. Acetyl groups can be removed by alkali or by mannan acetylesterases.
- oligomers which are released from the mannanases or by a combination of mannanases and ⁇ - galactosidase and/or mannan acetyl esterases can be further degraded to release free maltose by ⁇ - mannosidase and/or ⁇ -glucosidase.
- Mannanases have been identified in several Bacillus organisms. For example, Talbot et al., Appl. Environ. Microbiol., Vol.56, No. 11, pp. 3505-3510 (1990) describes a beta-mannanase derived from Bacillus stearothermophilus in dimer form having molecular weight of 162 kDa and an optimum pH of 5.5-7.5.
- JP-03047076 discloses a beta- mannanase derived from Bacillus sp., having a molecular weight of 373 kDa measured by gel filtration, an optimum pH of 8-10 and a pi of 5.3-5.4.
- JP-63056289 describes the production of an alkaline, thermostable beta-mannanase which hydrolyses beta-l,4-D-mannopyranoside bonds of e.g. mannans and produces manno-oligosaccharides.
- JP-63036774 relates to the Bacillus microorganism FERM P-8856 which produces beta-mannanase and beta-mannosidase at an alkaline pH.
- JP-08051975 discloses alkaline beta-mannanases from alkalophilic Bacillus sp. AM- 001.
- WO 97/1 1 164 A purified mannanase from Bacillus amyloliquefaciens useful in the bleaching of pulp and paper and a method of preparation thereof is disclosed in WO 97/1 1 164.
- WO 91/18974 describes a hemicellulase such as a glucanase, xylanase or mannanase active at an extreme pH and temperature.
- WO 94/25576 discloses an enzyme from Aspergillus aculeatus, CBS 101.43, exhibiting mannanase activity which may be useful for degradation or modification of plant or algae cell wall material.
- WO 93/24622 discloses a mannanase isolated from Trichoderma reseei useful for bleaching lignocellulosic pulps.
- An hemicellulase capable of degrading mannan- containing hemicellulose is described in W091/18974 and a purified mannanase from Bacillus amyloliquefaciens is described in W097/11164.
- the mannanase enzyme will be an alkaline mannanase as defined below, more preferably, a mannanase originating from a bacterial source.
- the laundry detergent composition of the present invention will comprise an alkaline mannanase selected from the mannanase from the strain Bacillus agaradhaerens NICMB 40482; the mannanase from Bacillus subtilis strain 168, gene yght; the mannanase from Bacillus sp. 1633 and/or the mannanase from Bacillus sp. AAI12.
- Most preferred mannanase for the inclusion in the detergent compositions of the present invention is the mannanase enzyme originating from Bacillus sp. 1633 as described in the co-pending Danish patent application No. PA 1998 01340.
- alkaline mannanase enzyme is meant to encompass an enzyme having an enzymatic activity of at least 10%, preferably at least 25%, more preferably at least 40% of its maximum activity at a given pH ranging from 7 to 12, preferably 7.5 to 10.5.
- the alkaline mannanase from Bacillus agaradhaerens NICMB 40482 is described in the co-pending U.S. patent application serial No. 09/111,256. More specifically, this mannanase is: i) a polypeptide produced by Bacillus agaradhaerens, NCIMB 40482; or ii) a polypeptide comprising an amino acid sequence as shown in positions 32-343 of SEQ ID NO:2 as shown in U.S. patent application serial No.
- polynucleotide molecules encoding a polypeptide having mannanase activity and comprising a sequence of nucleotides as shown in SEQ ID NO: 1 from nucleotide
- polynucleotide molecules that encode a polypeptide having mannanase activity that is at least 70% identical to the amino acid sequence of SEQ ID NO: 2 from amino acid residue 32 to amino acid residue 343 as shown in U.S. patent application serial No. 09/111,256;
- the plasmid pSJ1678 comprising the polynucleotide molecule (the DNA sequence) encoding said mannanase has been transformed into a strain of the Escherichia coli which was deposited by the inventors according to the Budapest Treaty on the International Recognition of the Deposit of Microorganisms for the Purposes of Patent Procedure at the Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Mascheroder Weg lb, D-38124 Braunschweig, Federal Republic of Germany, on 18 May 1998 under the deposition number DSM 12180.
- a second more preferred enzyme is the mannanase from the Bacillus subtilis strain 168, which is described in the co-pending U.S. patent application serial No. 09/095,163.
- this mannanase is: i) is encoded by the coding part of the DNA sequence shown in SED ID No. 5 shown in the U.S. patent application serial No. 09/095,163 or an analogue of said sequence; and/or ii) a polypeptide comprising an amino acid sequence as shown SEQ ID NO:6 shown in the U.S. patent application serial No. 09/095,163; or iii) an analogue of the polypeptide defined in ii) which is at least 70% homologous with said polypeptide, or is derived from said polypeptide by substitution, deletion or addition of one or several amino acids, or is immunologically reactive with a polyclonal antibody raised against said polypeptide in purified form.
- polypeptide having mannanase activity selected from the group consisting of: (a) polynucleotide molecules encoding a polypeptide having mannanase activity and comprising a sequence of nucleotides as shown in SEQ ID NO:5 as shown in the U.S. patent application serial No. 09/095,163
- polynucleotide molecules that encode a polypeptide having mannanase activity that is at least 70% identical to the amino acid sequence of SEQ ID NO: 6 as shown in the U.S. patent application serial No. 09/095,163;
- mannanase A third more preferred mannanase is described in the co-pending Danish patent application No. PA 1998 01340. More specifically, this mannanase is: i) a polypeptide produced by Bacillus sp. 1633; ii) a polypeptide comprising an amino acid sequence as shown in positions
- polynucleotide molecules that encode a polypeptide having mannanase activity that is at least 65% identical to the amino acid sequence of SEQ ID NO: 2 from amino acid residue 33 to amino acid residue 340 the Danish application No. PA 1998 01340;
- the plasmid pBXM3 comprising the polynucleotide molecule (the DNA sequence) encoding a mannanase of the present invention has been transformed into a strain of the Escherichia coli which was deposited by the inventors according to the Budapest Treaty on the International Recognition of the Deposit of Microorganisms for the Purposes of Patent Procedure at the Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Mascheroder Weg lb, D-38124 Braunschweig, Federal Republic of Germany, on 29 May 1998 under the deposition number DSM 12197.
- a fourth more preferred mannanase is described in the Danish co-pending patent application No. PA 1998 01341. More specifically, this mannanase is: i) a polypeptide produced by Bacillus sp. AAI 12; ii) a polypeptide comprising an amino acid sequence as shown in positions
- polynucleotide molecules that encode a polypeptide having mannanase activity that is at least 65% identical to the amino acid sequence of SEQ ID NO: 2 from amino acid residue 25 to amino acid residue 362 as shown in the Danish application No. PA 1998 01341 ;
- the plasmid pBXMl comprising the polynucleotide molecule (the DNA sequence) encoding a mannanase of the present invention has been transformed into a strain of the Escherichia coli which was deposited by the inventors according to the Budapest Treaty on the International Recognition of the Deposit of Microorganisms for the Purposes of Patent Procedure at the Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Mascheroder Weg lb, D-38124 Braunschweig, Federal Republic of Germany, on 7 October 1998 under the deposition number DSM 12433.
- the mannanase when present, is incorporated into the treating compositions of the present invention preferably at a level of from 0.0001% to 2%, more preferably from 0.0005% to 0.1%, most preferred from 0.001% to 0.02% pure enzyme by weight ofthe composition.
- compositions of the present invention may also comprise a xyloglucanase enzyme.
- Suitable xyloglucanases for the purpose of the present invention are enzymes exhibiting endoglucanase activity specific for xyloglucan, preferably at a level of from about 0.001% to about 1%, more preferably from about 0.01% to about 0.5%, by weight of the composition.
- the term "endoglucanase activity” means the capability of the enzyme to hydrolyze 1 ,4- ⁇ -D-glycosidic linkages present in any cellulosic material, such as cellulose, cellulose derivatives, lichenin, ⁇ -D-glucan, or xyloglucan.
- the endoglucanase activity may be determined in accordance with methods known in the art, examples of which are described in WO 94/14953 and hereinafter.
- One unit of endoglucanase activity e.g. CMCU, AVIU, XGU or BGU
- CMCU CMC
- AVIU acid swollen Avicell
- XGU xyloglucan
- BGU cereal ⁇ -glucan
- the reducing sugars are determined as described in WO 94/14953 and hereinafter.
- the specific activity of an endoglucanase towards a substrate is defined as units/mg of protein.
- the term "specific for xyloglucan” means that the endoglucanse enzyme exhibits its highest endoglucanase activity on a xyloglucan substrate, and preferably less than 75% activity, more preferably less than 50% activity, most preferably less than about 25% activity, on other cellulose-containing substrates such as carboxymethyl cellulose, cellulose, or other glucans.
- the specificity of an endoglucanase towards xyloglucan is further defined as a relative activity determined as the release of reducing sugars at optimal conditions obtained by incubation of the enzyme with xyloglucan and the other substrate to be tested, respectively.
- the specificity may be defined as the xyloglucan to ⁇ -glucan activity (XGU/BGU), xyloglucan to carboxy methyl cellulose activity (XGU/CMCU), or xyloglucan to acid swollen Avicell activity (XGU/ AVIU), which is preferably greater than about 50, such as 75, 90 or 100.
- XGU/BGU xyloglucan to ⁇ -glucan activity
- XGU/CMCU xyloglucan to carboxy methyl cellulose activity
- XGU/ AVIU xyloglucan to acid swollen Avicell activity
- the term "derived from” as used herein refers not only to an endoglucanase produced by strain CBS 101.43, but also an endoglucanase encoded by a DNA sequence isolated from strain CBS 101.43 and produced in a host organism transformed with said DNA sequence.
- homologue indicates a polypeptide encoded by DNA which hybridizes to the same probe as the DNA coding for an endoglucanase enzyme specific for xyloglucan under certain specified conditions (such as presoaking in 5xSSC and prehybridizing for 1 h at -40°C in a solution of 5xSSC, 5xDenhardt's solution, and 50 ⁇ g of denatured sonicated calf thymus DNA, followed by hybridization in the same solution supplemented with 50 ⁇ Ci 32-P-dCTP labeled probe for 18 h at -40°C and washing three times in 2xSSC, 0.2% SDS at 40°C for 30 minutes).
- the term is intended to refer to a DNA sequence which is at least 70% homologous to any of the sequences shown above encoding an endoglucanase specific for xyloglucan, including at least 75%, at least 80%, at least 85%, at least 90% or even at least 95% with any of the sequences shown above.
- the term is intended to include modifications of any of the DNA sequences shown above, such as nucleotide substitutions which do not give rise to another amino acid sequence of the polypeptide encoded by the sequence, but which correspond to the codon usage of the host organism into which a DNA construct comprising any of the DNA sequences is introduced or nucleotide substitutions which do give rise to a different amino acid sequence and therefore, possibly, a different amino acid sequence and therefore, possibly, a different protein structure which might give rise to an endoglucanase mutant with different properties than the native enzyme.
- Other examples of possible modifications are insertion of one or more nucleotides into the sequence, addition of one or more nucleotides at either end of the sequence, or deletion of one or more nucleotides at either end or within the sequence.
- Endoglucanase specific for xyloglucan useful in the present invention preferably is one which has a XGU/BGU, XGU/CMU and or XGU/AVIU ratio (as defined above) of more than 50, such as 75, 90 or 100.
- endoglucanase specific for xyloglucan is preferably substantially devoid of activity towards ⁇ -glucan and/or exhibits at the most 25% such as at the most 10% or about 5%, activity towards carboxymethyl cellulose and/or Avicell when the activity towards xyloglucan is 100%.
- endoglucanase specific for xyloglucan of the invention is preferably substantially devoid of transferase activity, an activity which has been observed for most endoglucanases specific for xyloglucan of plant origin.
- Endoglucanase specific for xyloglucan may be obtained from the fungal species A. aculeatus, as described in WO 94/14953. Microbial endoglucanases specific for xyloglucan has also been described in WO 94/14953. Endoglucanases specific for xyloglucan from plants have been described, but these enzymes have transferase activity and therefore must be considered inferior to microbial endoglucanses specific for xyloglucan whenever extensive degradation of xyloglucan is desirable.
- An additional advantage of a microbial enzyme is that it, in general, may be produced in higher amounts in a microbial host, than enzymes of other origins.
- the xyloglucanase when present, is incorporated into the treating compositions of the invention preferably at a level of from 0.0001% to 2%, more preferably from 0.0005% to 0.1%, most preferred from 0.001% to 0.02% pure enzyme by weight ofthe composition.
- the above-mentioned enzymes may be of any suitable origin, such as vegetable, animal, bacterial, fungal and yeast origin. Purified or non-purified forms of these enzymes may be used. Also included by definition, are mutants of native enzymes. Mutants can be obtained e.g. by protein and or genetic engineering, chemical and/or physical modifications of native enzymes. Common practice as well is the expression of the enzyme via host organisms in which the genetic material responsible for the production of the enzyme has been cloned.
- Said enzymes are normally incorporated in the bleach system at levels from 0.0001% to 2% of active enzyme by weight of the bleach system.
- the enzymes can be added as separate single ingredients (prills, granulates, stabilized liquids, etc. containing one enzyme ) or as mixtures of two or more enzymes ( e.g. cogranulates).
- enzyme oxidation scavengers examples include ethoxylated tetraethylene polyamines.
- a range of enzyme materials and means for their incorporation into synthetic bleach systems is also disclosed in WO 93/07263 and WO 93/07260 to Genencor International, WO 89/08694 to Novo, and U.S. 3,553,139, January 5, 1971 to McCarty et al.
- Enzymes are further disclosed in U.S. 4,101,457, Place et al, July 18, 1978, and in U.S. 4,507,219, Hughes, March 26, 1985.
- Enzyme materials useful for liquid detergent formulations, and their incorporation into such formulations are disclosed in U.S. 4,261,868, Hora et al, April 14, 1981.
- Enzyme Stabilizers - Enzymes for use in detergents can be stabilized by various techniques. Enzyme stabilization techniques are disclosed and exemplified in U.S. 3,600,319, August 17, 1971, Gedge et al, EP 199,405 and EP 200,586, October 29, 1986, Venegas. Enzyme stabilization systems are also described, for example, in U.S. 3,519,570. A useful Bacillus, sp. AC13 giving proteases, xylanases and cellulases, is described in WO 9401532 to Novo. The enzymes employed herein can be stabilized by the presence of water-soluble sources of calcium and/or magnesium ions in the finished compositions which provide such ions to the enzymes.
- the bleach systems herein may also optionally contain one or more ofthe following: polymeric dispersing agents, clay soil removal/anti-redeposition agents, brighteners, suds suppressors, dyes, perfumes, structure elasticizing agents, fabric softeners, carriers, hydrotropes, processing aids and/or pigments. Suitable examples of such other detergent ingredients and levels of use are found in U.S. Patent No. 5,576,282.
- the invention herein also encompasses a laundering pretreatment process for fabrics which have been soiled or stained comprising directly contacting said stains and/or soils with a highly concentrated form of the bleach system set forth above prior to washing such fabrics using conventional aqueous washing solutions.
- the bleach system remains in contact with the soil/stain for a period of from about 30 seconds to 24 hours prior to washing the pretreated soiled/stained substrate in conventional manner. More preferably, pretreatment times will range from about 1 to 180 minutes.
- Bleaching detergent compositions having the form of granular laundry detergents are exemplified by the following formulations.
- Palm N- Methyl Glucamide 1.70 2.00 1.70 2.00 0.00
- Soil Release Agent 0.00 0.00 0.50 0.40 0.00
- Organic catalyst can be any of the cationic organic catalysts described herein, preferably it is an iminium-based organic catalyst, more preferably it is a dihydroisoquinolinium-based organic catalyst.
- compositions can be used to launder fabrics at a concentration of 3500 ppm in water, 25°C, and a 15:1 wate ⁇ cloth ratio.
- the typical pH is about 9.5 but can be can be adjusted by altering the proportion of acid to Na- salt form of alkylbenzenesulfonate.
- Bleaching detergent compositions having the form of granular laundry detergents are exemplified by the following formulations.
- Organic catalyst can be any of the cationic organic catalysts described herein, preferably it is an iminium-based organic catalyst, more preferably it is a dihydroisoquinolinium-based organic catalyst.
- a bleaching detergent powder in accordance with the present invention comprises the following ingredients:
- Organic catalyst can be any of the cationic organic catalysts described herein, preferably it is an iminium-based organic catalyst, more preferably it is a dihydroisoquinolinium-based organic catalyst.
- a laundry bar suitable for hand-washing soiled fabrics is prepared by standard extrusion processes and comprises the following:
- Organic catalyst can be any of the cationic organic catalysts described herein, preferably it is an iminium-based organic catalyst, more preferably it is a dihydroisoquinolinium-based organic catalyst.
- Acidic fillers can be used to reduce pH.
- a laundry detergent composition suitable for machine use is prepared by standard methods and comprises the following composition:
- Organic catalyst can be any of the cationic organic catalysts described herein, preferably it is an iminium-based organic catalyst, more preferably it is a dihydroisoquinolinium-based organic catalyst.
- the composition can be used to launder fabrics at a concentration in solution of about 1000 ppm at a temperature of 20-40°C and a water to fabric ratio of about 20:1.
- Organic catalyst can be any of the cationic organic catalysts described herein, preferably it is an iminium-based organic catalyst, more preferably it is a dihydroisoquinolinium-based organic catalyst.
- composition can be used as a laundry auxiliary for laundering fabrics at a concentration in solution of about 850 ppm at a temperature of 5-50°C and a water to fabric ratio of about 20:1.
- EXAMPLE VII A bleaching composition suitable for use in high suds phosphate geographies has the formula:
- Organic catalyst can be any of the cationic organic catalysts described herein, preferably it is an iminium-based organic catalyst, more preferably it is a dihydroisoquinolinium-based organic catalyst.
- compositions of the present invention can be suitably prepared by any process chosen by the formulator, non-limiting examples of which are described in U.S. Patent Nos. 5,691,297; 5,574,005; 5,569,645; 5,565,422; 5,516,448; 5,489,392; and 5,486,303.
- the bleach systems of the present invention can be formulated into any suitable laundry detergent composition, non-limiting examples of which are described in U.S. Patent Nos. 5,679,630; 5,565,145; 5,478,489; 5,470,507; 5,466,802; 5,460,752; 5,458,810; 5,458,809; and 5,288,431.
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AR051659A1 (es) | 2005-06-17 | 2007-01-31 | Procter & Gamble | Una composicion que comprende un catalizador organico con compatibilidada enzimatica mejorada |
CA2635927A1 (en) | 2006-01-23 | 2007-08-02 | The Procter And Gamble Company | A composition comprising a lipase and a bleach catalyst |
ATE465230T1 (de) | 2006-01-23 | 2010-05-15 | Procter & Gamble | Zusammensetzung enthaltend vorgeformte persäure und einen bleichmittelkatalysator |
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---|---|---|---|---|
BR9408038A (pt) * | 1993-11-12 | 1996-12-24 | Unilever Nv | Composição de branqueamento e processo para branquear um substrato manchado |
BR9408039A (pt) * | 1993-11-12 | 1996-12-24 | Unilever Nv | Composição de branqueamento e processo para branquear um substrato manchado |
US5370826A (en) * | 1993-11-12 | 1994-12-06 | Lever Brothers Company, Division Of Conopco, Inc. | Quaternay oxaziridinium salts as bleaching compounds |
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2000
- 2000-08-25 JP JP2001520825A patent/JP2003508588A/ja not_active Withdrawn
- 2000-08-25 CN CN00814846.5A patent/CN1382207A/zh active Pending
- 2000-08-25 CA CA002381903A patent/CA2381903A1/en not_active Abandoned
- 2000-08-25 MX MXPA02002123A patent/MXPA02002123A/es unknown
- 2000-08-25 AU AU69356/00A patent/AU6935600A/en not_active Abandoned
- 2000-08-25 WO PCT/US2000/023320 patent/WO2001016277A1/en not_active Application Discontinuation
- 2000-08-25 EP EP00957788A patent/EP1206517A1/de not_active Withdrawn
- 2000-08-25 BR BR0013647-6A patent/BR0013647A/pt not_active IP Right Cessation
- 2000-08-26 EG EG20001106A patent/EG22870A/xx active
- 2000-08-28 AR ARP000104450A patent/AR028163A1/es not_active Application Discontinuation
Non-Patent Citations (1)
Title |
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See references of WO0116277A1 * |
Also Published As
Publication number | Publication date |
---|---|
BR0013647A (pt) | 2002-05-07 |
JP2003508588A (ja) | 2003-03-04 |
MXPA02002123A (es) | 2002-10-17 |
AU6935600A (en) | 2001-03-26 |
CA2381903A1 (en) | 2001-03-08 |
AR028163A1 (es) | 2003-04-30 |
WO2001016277A1 (en) | 2001-03-08 |
CN1382207A (zh) | 2002-11-27 |
EG22870A (en) | 2003-09-30 |
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